diff --git a/lib/python/AccessControl/PermissionMapping.py b/lib/python/AccessControl/PermissionMapping.py
index b272285ced1543c6317ce01e84a1099a0de01ade..f812b0ff1298f25992d59dc1486fbbe1f64a4024 100644
--- a/lib/python/AccessControl/PermissionMapping.py
+++ b/lib/python/AccessControl/PermissionMapping.py
@@ -146,7 +146,7 @@ class RoleManager:
 
         if REQUEST is not None:
             return self.manage_access(
-                self, REQUEST, 
+                REQUEST, 
                 manage_tabs_message='The permission mapping has been updated')
 
     def _isBeingUsedAsAMethod(self, REQUEST =None, wannaBe=0):