diff --git a/yoflow/admin.py b/yoflow/admin.py
index b3315e0..d3c8489 100644
--- a/yoflow/admin.py
+++ b/yoflow/admin.py
@@ -55,7 +55,7 @@ def link(self, obj):
         )
         return format_html('<a href="{}">{}</a>'.format(url, obj.pk))
 
-    def has_add_permission(self, request):
+    def has_add_permission(self, request, object=None):
         return False