diff --git a/aleksis/core/checks.py b/aleksis/core/checks.py
index ac222ba05d3d6892431d7ab2fc1032f10bd2fab0..1c2d8dcbf05eb36ef7533c1ce6dc0254b97ad857 100644
--- a/aleksis/core/checks.py
+++ b/aleksis/core/checks.py
@@ -21,7 +21,7 @@ def check_app_configs_base_class(
         if not isinstance(app_config, AppConfig):
             results.append(
                 Warning(
-                    "App config %s does not derive from aleksis.core.util.apps.AppConfig.",
+                    "App config %s does not derive from aleksis.core.util.apps.AppConfig." % app_config.name,
                     hint="Ensure the app uses the correct base class for all registry functionality to work.",
                     obj=app_config,
                     id="aleksis.core.W001",