diff --git a/GeneralApp/admin.py b/GeneralApp/admin.py
index 9c65f78..d315ceb 100644
--- a/GeneralApp/admin.py
+++ b/GeneralApp/admin.py
@@ -47,7 +47,7 @@ class Admin_StaticPage(Admin_Trans_BaseModelViewPage):
         if request.user.is_superuser:
            return True
 
-        if obj.url in ('main', 'spec_technics', 'works'):
+        if not obj or obj.url in ('main', 'works'):
             return False
 
 admin.site.register(StaticPage,Admin_StaticPage)