diff --git a/filter_plugins/configuration_filters.py b/filter_plugins/configuration_filters.py
index 8c1b4d63..f57400cd 100644
--- a/filter_plugins/configuration_filters.py
+++ b/filter_plugins/configuration_filters.py
@@ -13,7 +13,7 @@ def get_oidc_enabled(applications, application_id):
     return bool(enabled)
 
 def get_features_iframe(applications, application_id):
-    app = applications.get(application_id)
+    app = applications.get(application_id, {})
     enabled = app.get('features', {}).get('iframe', False)
     return bool(enabled)