diff --git a/wcs/formdef.py b/wcs/formdef.py
index 7f87efa7d..04becb9be 100644
--- a/wcs/formdef.py
+++ b/wcs/formdef.py
@@ -248,8 +248,8 @@ class FormDef(StorableObject):
             self.workflow_id = None
     workflow = property(get_workflow, set_workflow)
 
-    def get_by_urlname(cls, url_name):
-        return cls.get_on_index(url_name, 'url_name')
+    def get_by_urlname(cls, url_name, ignore_migration=False):
+        return cls.get_on_index(url_name, 'url_name', ignore_migration=ignore_migration)
     get_by_urlname = classmethod(get_by_urlname)
 
     def get_url(self, backoffice = False):