diff --git a/terraform/aws/adminuser.tpl b/terraform/aws/adminuser.tpl
index f50afae9..1ab7c5bb 100644
--- a/terraform/aws/adminuser.tpl
+++ b/terraform/aws/adminuser.tpl
@@ -7,6 +7,6 @@ users:
     sudo:
       - "ALL=(ALL) NOPASSWD:ALL"
     shell: /bin/bash
-    ssh-authorized-keys: 
+    ssh_authorized_keys: 
     - ${publickey}
 fqdn: ${hostname}.${domain}