diff --git a/src/c3nav/routing/models.py b/src/c3nav/routing/models.py
index 3581529c..8ea5a25f 100644
--- a/src/c3nav/routing/models.py
+++ b/src/c3nav/routing/models.py
@@ -96,7 +96,8 @@ class RouteOptions(models.Model):
         user_options = None
         if request.user.is_authenticated:
             user_options = cls.get_for_user(request.user)
-            user_options.clean_data()
+            if user_options is not None:
+                user_options.clean_data()
 
         if session_options and not user_options:
             user_options = session_options