diff --git a/apps/wei/views.py b/apps/wei/views.py
index 80ff770e..7c8f3664 100644
--- a/apps/wei/views.py
+++ b/apps/wei/views.py
@@ -969,7 +969,7 @@ class WEIValidateRegistrationView(ProtectQuerysetMixin, ProtectedCreateView):
 
         if not registration.soge_credit and user.note.balance + credit_amount < fee:
             # Users must have money before registering to the WEI.
-            form.add_error('bus',
+            form.add_error('credit_type',
                            _("This user don't have enough money to join this club, and can't have a negative balance."))
             return super().form_invalid(form)