diff --git a/invenio_theme_tugraz/views.py b/invenio_theme_tugraz/views.py
index 8b3201f..1564185 100644
--- a/invenio_theme_tugraz/views.py
+++ b/invenio_theme_tugraz/views.py
@@ -102,6 +102,6 @@ def index():
     )
 
 
-def locked():
+def locked(e):
     """Error page for status locked."""
     return render_template("invenio_theme_tugraz/423.html")