diff --git a/app/utils/flask.py b/app/utils/flask.py
index 47d4f3d..82fbbac 100644
--- a/app/utils/flask.py
+++ b/app/utils/flask.py
@@ -47,6 +47,9 @@ def url_set_anchor(anchor):
 	return url_for(request.endpoint, **dargs) + "#" + anchor
 
 def url_set_query(**kwargs):
+	if request.endpoint is None:
+		return None
+
 	args = MultiDict(request.args)
 
 	for key, value in kwargs.items():