diff --git a/src/blankWindow/blankWindow.vala b/src/blankWindow/blankWindow.vala
index 5c1701b5..720b9c60 100644
--- a/src/blankWindow/blankWindow.vala
+++ b/src/blankWindow/blankWindow.vala
@@ -30,7 +30,7 @@ namespace SwayNotificationCenter {
                     try {
                         swaync_daemon.set_visibility (false);
                     } catch (Error e) {
-                        stderr.printf ("ControlCenter BlankWindow Click Error: %s\n",
+                        warning ("ControlCenter BlankWindow Click Error: %s",
                                        e.message);
                     }
                 }
@@ -60,10 +60,10 @@ namespace SwayNotificationCenter {
             });
 
             if (!GtkLayerShell.is_supported ()) {
-                stderr.printf ("GTKLAYERSHELL IS NOT SUPPORTED!\n");
-                stderr.printf ("Swaync only works on Wayland!\n");
-                stderr.printf ("If running waylans session, try running:\n");
-                stderr.printf ("\tGDK_BACKEND=wayland swaync\n");
+                critical ("GTKLAYERSHELL IS NOT SUPPORTED!");
+                critical ("Swaync only works on Wayland!");
+                critical ("If running Wayland session, try running:");
+                critical ("\tGDK_BACKEND=wayland swaync");
                 Process.exit (1);
             }
             GtkLayerShell.init_for_window (this);
diff --git a/src/client.vala b/src/client.vala
index 29b02897..1b7f8c70 100644
--- a/src/client.vala
+++ b/src/client.vala
@@ -227,7 +227,7 @@ public int command_line (ref string[] args, bool skip_wait) {
             case "--inhibitor-add":
             case "-Ia":
                 if (args.length < 2) {
-                    stderr.printf ("Application ID needed!");
+                    printerr ("Application ID needed!");
                     Process.exit (1);
                 }
                 used_args++;
@@ -235,12 +235,12 @@ public int command_line (ref string[] args, bool skip_wait) {
                     print ("Added inhibitor: \"%s\"", args[1]);
                     break;
                 }
-                stderr.printf ("Inhibitor: \"%s\" already added!...", args[1]);
+                printerr ("Inhibitor: \"%s\" already added!...", args[1]);
                 break;
             case "--inhibitor-remove":
             case "-Ir":
                 if (args.length < 2) {
-                    stderr.printf ("Application ID needed!");
+                    printerr ("Application ID needed!");
                     Process.exit (1);
                 }
                 used_args++;
@@ -248,7 +248,7 @@ public int command_line (ref string[] args, bool skip_wait) {
                     print ("Removed inhibitor: \"%s\"", args[1]);
                     break;
                 }
-                stderr.printf ("Inhibitor: \"%s\" does not exist!...", args[1]);
+                printerr ("Inhibitor: \"%s\" does not exist!...", args[1]);
                 break;
             case "inhibitors-clear":
             case "-Ic":
@@ -289,7 +289,7 @@ public int command_line (ref string[] args, bool skip_wait) {
                 break;
             case "--change-cc-monitor":
                 if (args.length < 2) {
-                    stderr.printf ("Monitor connector name needed!");
+                    printerr ("Monitor connector name needed!");
                     Process.exit (1);
                 }
                 used_args++;
@@ -297,11 +297,11 @@ public int command_line (ref string[] args, bool skip_wait) {
                     print ("Changed monitor to: \"%s\"", args[1]);
                     break;
                 }
-                stderr.printf ("Could not find monitor: \"%s\"!", args[1]);
+                printerr ("Could not find monitor: \"%s\"!", args[1]);
                 break;
             case "--change-noti-monitor":
                 if (args.length < 2) {
-                    stderr.printf ("Monitor connector name needed!");
+                    printerr ("Monitor connector name needed!");
                     Process.exit (1);
                 }
                 used_args++;
@@ -309,7 +309,7 @@ public int command_line (ref string[] args, bool skip_wait) {
                     print ("Changed monitor to: \"%s\"", args[1]);
                     break;
                 }
-                stderr.printf ("Could not find monitor: \"%s\"!", args[1]);
+                printerr ("Could not find monitor: \"%s\"!", args[1]);
                 break;
             default:
                 printerr ("Unknown command: \"%s\"\n", args[0]);
@@ -317,7 +317,7 @@ public int command_line (ref string[] args, bool skip_wait) {
                 break;
         }
     } catch (Error e) {
-        stderr.printf (e.message + "\n");
+        printerr (e.message + "\n");
         if (skip_wait) {
             Process.exit (1);
         }
@@ -329,7 +329,7 @@ public int command_line (ref string[] args, bool skip_wait) {
 }
 
 void print_connection_error () {
-    stderr.printf (
+    printerr (
         "Could not connect to CC service. Will wait for connection...\n");
 }
 
@@ -359,7 +359,7 @@ int try_connect (owned string[] args) {
         }
         // Should only be reached if the args only contains --skip-wait or -sw
         if (one_arg) {
-            stderr.printf ("Skipping wait, but with no action.");
+            printerr ("Skipping wait, but with no action.");
         }
         return 0;
     } catch (Error e) {
diff --git a/src/configModel/configModel.vala b/src/configModel/configModel.vala
index 5334eec8..932f8c65 100644
--- a/src/configModel/configModel.vala
+++ b/src/configModel/configModel.vala
@@ -1062,8 +1062,7 @@ namespace SwayNotificationCenter {
             var tmp_table = new OrderedHashTable<T> ();
 
             if (node.get_node_type () != Json.NodeType.OBJECT) {
-                stderr.printf ("Node %s is not a json object!...\n",
-                               property_name);
+                warning ("Node %s is not a json object!", property_name);
                 return tmp_table;
             }
 
@@ -1222,8 +1221,7 @@ namespace SwayNotificationCenter {
             GenericArray<T> tmp_array = new GenericArray<T> ();
 
             if (node.get_node_type () != Json.NodeType.ARRAY) {
-                stderr.printf ("Node %s is not a json array!...\n",
-                               property_name);
+                warning ("Node %s is not a json array!", property_name);
                 return tmp_array;
             }
 
@@ -1397,7 +1395,7 @@ namespace SwayNotificationCenter {
                     FileCreateFlags.REPLACE_DESTINATION,
                     null);
             } catch (Error e) {
-                stderr.printf (e.message + "\n");
+                warning ("%s", e.message);
                 return false;
             }
         }
diff --git a/src/controlCenter/controlCenter.vala b/src/controlCenter/controlCenter.vala
index 7c2480e0..b42daa30 100644
--- a/src/controlCenter/controlCenter.vala
+++ b/src/controlCenter/controlCenter.vala
@@ -26,10 +26,10 @@ namespace SwayNotificationCenter {
 
             if (app.use_layer_shell) {
                 if (!GtkLayerShell.is_supported ()) {
-                    stderr.printf ("GTKLAYERSHELL IS NOT SUPPORTED!\n");
-                    stderr.printf ("Swaync only works on Wayland!\n");
-                    stderr.printf ("If running wayland session, try running:\n");
-                    stderr.printf ("\tGDK_BACKEND=wayland swaync\n");
+                    critical ("GTKLAYERSHELL IS NOT SUPPORTED!");
+                    critical ("Swaync only works on Wayland!");
+                    critical ("If running wayland session, try running:");
+                    critical ("\tGDK_BACKEND=wayland swaync");
                     Process.exit (1);
                 }
                 GtkLayerShell.init_for_window (this);
diff --git a/src/controlCenter/widgets/shared/toggleButton.vala b/src/controlCenter/widgets/shared/toggleButton.vala
index 93b176b5..f525f7e5 100644
--- a/src/controlCenter/widgets/shared/toggleButton.vala
+++ b/src/controlCenter/widgets/shared/toggleButton.vala
@@ -44,7 +44,7 @@ namespace SwayNotificationCenter.Widgets {
                 }
                 GLib.SignalHandler.unblock (this, this.handler_id);
             } catch (RegexError e) {
-                stderr.printf ("RegexError: %s\n", e.message);
+                warning ("RegexError: %s", e.message);
             }
         }
     }
diff --git a/src/controlCenter/widgets/volume/pulseDaemon.vala b/src/controlCenter/widgets/volume/pulseDaemon.vala
index d8574ff9..8bf7bf5b 100644
--- a/src/controlCenter/widgets/volume/pulseDaemon.vala
+++ b/src/controlCenter/widgets/volume/pulseDaemon.vala
@@ -60,7 +60,7 @@ namespace SwayNotificationCenter.Widgets {
         private void get_context () {
             var ctx = new Context (mainloop.get_api (), null);
             ctx.set_state_callback ((ctx) => {
-                debug ("Pulse Status: %s\n", ctx.get_state ().to_string ());
+                debug ("Pulse Status: %s", ctx.get_state ().to_string ());
                 switch (ctx.get_state ()) {
                     case Context.State.CONNECTING :
                     case Context.State.AUTHORIZING :
@@ -83,20 +83,20 @@ namespace SwayNotificationCenter.Widgets {
                             quitting = false;
                             break;
                         }
-                        stderr.printf (
-                            "PulseAudio connection lost. Will retry connection.\n");
+                        warning (
+                            "PulseAudio connection lost. Will retry connection.");
                         get_context ();
                         break;
                     default:
                         running = false;
-                        stderr.printf ("Connection failure: %s\n",
+                        warning ("Connection failure: %s",
                                        PulseAudio.strerror (ctx.errno ()));
                         break;
                 }
             });
             if (ctx.connect (
                     null, Context.Flags.NOFAIL, null) < 0) {
-                stdout.printf ("pa_context_connect() failed: %s\n",
+                stdout.printf ("pa_context_connect() failed: %s",
                                PulseAudio.strerror (ctx.errno ()));
             }
             this.context = ctx;
@@ -589,7 +589,7 @@ namespace SwayNotificationCenter.Widgets {
                 if (success == 1) {
                     set_bluetooth_card_profile.callback ();
                 } else {
-                    stderr.printf ("setting the card %s profile to %s failed\n",
+                    warning ("setting the card %s profile to %s failed",
                                    device.card_name, profile.name);
                 }
             });
@@ -606,7 +606,7 @@ namespace SwayNotificationCenter.Widgets {
                 if (success == 1) {
                     set_card_profile_by_index.callback ();
                 } else {
-                    stderr.printf ("setting the card %s profile to %s failed\n",
+                    warning ("setting the card %s profile to %s failed",
                                    device.card_name, profile_name);
                 }
             });
@@ -620,7 +620,7 @@ namespace SwayNotificationCenter.Widgets {
                 if (success == 1) {
                     set_sink_port_by_name.callback ();
                 } else {
-                    stderr.printf ("setting sink port to %s failed\n",
+                    warning ("setting sink port to %s failed",
                                    device.port_name);
                 }
             });
@@ -632,7 +632,7 @@ namespace SwayNotificationCenter.Widgets {
                 if (success == 1) {
                     set_default_sink.callback ();
                 } else {
-                    stderr.printf ("setting default sink to %s failed\n",
+                    warning ("setting default sink to %s failed",
                                    device.device_name);
                 }
             });
diff --git a/src/functions.vala b/src/functions.vala
index ec554534..73c58c6d 100644
--- a/src/functions.vala
+++ b/src/functions.vala
@@ -52,7 +52,7 @@ namespace SwayNotificationCenter {
                     Gdk.Texture texture = Gdk.Texture.for_pixbuf (pixbuf);
                     img.set_from_paintable (texture);
                 } catch (Error e) {
-                    stderr.printf (e.message + "\n");
+                    warning ("%s", e.message);
                 }
             }
 
@@ -158,8 +158,8 @@ namespace SwayNotificationCenter {
                 }
             }
             if (path == "") {
-                stderr.printf (
-                    "COULD NOT FIND CSS FILE! REINSTALL THE PACKAGE!\n");
+                critical (
+                    "COULD NOT FIND CSS FILE! REINSTALL THE PACKAGE!");
                 Process.exit (1);
             }
             return path;
@@ -200,8 +200,8 @@ namespace SwayNotificationCenter {
                 }
             }
             if (path == "") {
-                stderr.printf (
-                    "COULD NOT FIND CONFIG FILE! REINSTALL THE PACKAGE!\n");
+                critical (
+                    "COULD NOT FIND CONFIG FILE! REINSTALL THE PACKAGE!");
                 Process.exit (1);
             }
             return path;
diff --git a/src/main.vala b/src/main.vala
index 3d1ebfe7..5a9f7dce 100644
--- a/src/main.vala
+++ b/src/main.vala
@@ -117,10 +117,10 @@ namespace SwayNotificationCenter {
                 }
             },
                                         () => {
-                stderr.printf (
+                critical (
                     "Could not acquire notification name. " +
                     "Please close any other notification daemon " +
-                    "like mako or dunst\n");
+                    "like mako or dunst");
                 Process.exit (1);
             });
             yield;
diff --git a/src/notiDaemon/notiDaemon.vala b/src/notiDaemon/notiDaemon.vala
index 1fe4ee7d..77163eec 100644
--- a/src/notiDaemon/notiDaemon.vala
+++ b/src/notiDaemon/notiDaemon.vala
@@ -336,8 +336,8 @@ namespace SwayNotificationCenter {
                     }
 
                     if (!ConfigModel.instance.script_fail_notify) {
-                        stderr.printf (
-                            "Failed to run script: \"%s\" with exec: \"%s\"\n",
+                        warning (
+                            "Failed to run script: \"%s\" with exec: \"%s\"",
                             key, script.exec);
                     } else {
                         // Send notification with error message
@@ -361,8 +361,8 @@ namespace SwayNotificationCenter {
                                                    _hints,
                                                    -1);
                         } catch (Error e) {
-                            stderr.printf ("NOTIFING SCRIPT-FAIL ERROR: %s\n",
-                                           e.message);
+                            critical ("Notifying script-fail error: %s",
+                                       e.message);
                         }
                     }
                 });
diff --git a/src/notification/notification.vala b/src/notification/notification.vala
index 3d2bfa3e..4417efe7 100644
--- a/src/notification/notification.vala
+++ b/src/notification/notification.vala
@@ -140,8 +140,7 @@ namespace SwayNotificationCenter {
                 tag_unescape_regex = new Regex ("&amp;(?=%s)".printf (unescaped));
                 img_tag_regex = new Regex ("<img[^>]* src=((\"([^\"]*)\")|(\'([^\']*)\'))[^>]*>");
             } catch (Error e) {
-                stderr.printf ("Invalid regex: %s", e.message);
-            }
+                warning ("Invalid regex: %s", e.message);            }
 
             bind_property ("dismissed",
                            this, "sensitive",
@@ -358,7 +357,7 @@ namespace SwayNotificationCenter {
                         }
                     }
                 } catch (Error e) {
-                    stderr.printf (e.message);
+                    warning ("%s", e.message);
                 }
             }
 
@@ -393,7 +392,7 @@ namespace SwayNotificationCenter {
                     this.body.set_attributes (attr);
                 }
             } catch (Error e) {
-                stderr.printf ("Could not parse Pango markup %s: %s\n",
+                warning ("Could not parse Pango markup %s: %s",
                                text, e.message);
                 // Sets the original text
                 this.body.set_text (text);
diff --git a/src/notificationWindow/notificationWindow.vala b/src/notificationWindow/notificationWindow.vala
index 16ad4065..27193e60 100644
--- a/src/notificationWindow/notificationWindow.vala
+++ b/src/notificationWindow/notificationWindow.vala
@@ -18,10 +18,10 @@ namespace SwayNotificationCenter {
             Object (css_name: "notificationwindow");
             if (app.use_layer_shell) {
                 if (!GtkLayerShell.is_supported ()) {
-                    stderr.printf ("GTKLAYERSHELL IS NOT SUPPORTED!\n");
-                    stderr.printf ("Swaync only works on Wayland!\n");
-                    stderr.printf ("If running waylans session, try running:\n");
-                    stderr.printf ("\tGDK_BACKEND=wayland swaync\n");
+                    critical ("GTKLAYERSHELL IS NOT SUPPORTED!");
+                    critical ("Swaync only works on Wayland!");
+                    critical ("If running waylans session, try running:");
+                    critical ("\tGDK_BACKEND=wayland swaync");
                     Process.exit (1);
                 }
                 GtkLayerShell.init_for_window (this);
diff --git a/src/swayncDaemon/swayncDaemon.vala b/src/swayncDaemon/swayncDaemon.vala
index db497703..2a02173c 100644
--- a/src/swayncDaemon/swayncDaemon.vala
+++ b/src/swayncDaemon/swayncDaemon.vala
@@ -26,7 +26,7 @@ namespace SwayNotificationCenter {
                                             get_visibility (),
                                             inhibited);
             } catch (Error e) {
-                stderr.printf (e.message + "\n");
+                warning ("%s", e.message);
             }
         }