diff --git a/advanced_alchemy/repository/_async.py b/advanced_alchemy/repository/_async.py
index ae35feff7..0c2e1c174 100644
--- a/advanced_alchemy/repository/_async.py
+++ b/advanced_alchemy/repository/_async.py
@@ -1503,7 +1503,7 @@ async def list_and_count(
         Returns:
             Count of records returned by query, ignoring pagination.
         """
-        self.count_with_window_function = (
+        count_with_window_function = (
             count_with_window_function if count_with_window_function is not None else self.count_with_window_function
         )
         self.uniquify = self._get_uniquify(uniquify)
@@ -1511,7 +1511,7 @@ async def list_and_count(
             error_messages=error_messages,
             default_messages=self.error_messages,
         )
-        if self._dialect.name in {"spanner", "spanner+spanner"} or count_with_window_function:
+        if self._dialect.name in {"spanner", "spanner+spanner"} or not count_with_window_function:
             return await self._list_and_count_basic(
                 *filters,
                 auto_expunge=auto_expunge,
diff --git a/advanced_alchemy/repository/_sync.py b/advanced_alchemy/repository/_sync.py
index 2ef17f648..674465723 100644
--- a/advanced_alchemy/repository/_sync.py
+++ b/advanced_alchemy/repository/_sync.py
@@ -1504,7 +1504,7 @@ def list_and_count(
         Returns:
             Count of records returned by query, ignoring pagination.
         """
-        self.count_with_window_function = (
+        count_with_window_function = (
             count_with_window_function if count_with_window_function is not None else self.count_with_window_function
         )
         self.uniquify = self._get_uniquify(uniquify)
@@ -1512,7 +1512,7 @@ def list_and_count(
             error_messages=error_messages,
             default_messages=self.error_messages,
         )
-        if self._dialect.name in {"spanner", "spanner+spanner"} or count_with_window_function:
+        if self._dialect.name in {"spanner", "spanner+spanner"} or not count_with_window_function:
             return self._list_and_count_basic(
                 *filters,
                 auto_expunge=auto_expunge,
diff --git a/tests/unit/test_repository.py b/tests/unit/test_repository.py
index 27919d485..08c162fd3 100644
--- a/tests/unit/test_repository.py
+++ b/tests/unit/test_repository.py
@@ -527,7 +527,6 @@ async def test_sqlalchemy_repo_list_and_count(mock_repo: SQLAlchemyAsyncReposito
     """Test expected method calls for list operation."""
     mock_instances = [MagicMock(), MagicMock()]
     mock_count = len(mock_instances)
-    mocker.patch.object(mock_repo, "_list_and_count_basic", return_value=(mock_instances, mock_count))
     mocker.patch.object(mock_repo, "_list_and_count_window", return_value=(mock_instances, mock_count))
 
     instances, instance_count = await maybe_async(mock_repo.list_and_count())
@@ -546,9 +545,8 @@ async def test_sqlalchemy_repo_list_and_count_basic(
     mock_instances = [MagicMock(), MagicMock()]
     mock_count = len(mock_instances)
     mocker.patch.object(mock_repo, "_list_and_count_basic", return_value=(mock_instances, mock_count))
-    mocker.patch.object(mock_repo, "_list_and_count_window", return_value=(mock_instances, mock_count))
 
-    instances, instance_count = await maybe_async(mock_repo.list_and_count(count_with_window_function=True))
+    instances, instance_count = await maybe_async(mock_repo.list_and_count(count_with_window_function=False))
 
     assert instances == mock_instances
     assert instance_count == mock_count