diff --git a/combo/data/models.py b/combo/data/models.py
index 81c8aa9a..c587943c 100644
--- a/combo/data/models.py
+++ b/combo/data/models.py
@@ -1167,7 +1167,7 @@ class JsonCellBase(CellBase):
     def is_visible(self, user=None):
         return bool(self.url) and super(JsonCellBase, self).is_visible(user=user)
 
-    def is_user_dependant(self):
+    def is_user_dependant(self, context=None):
         urls = [self.url] + [x['url'] for x in self.additional_data or []]
         for url in urls:
             if url and ('user_nameid' in url or 'user_email' in url):