Index: openacs-4/packages/acs-admin/www/users/modify-admin-privileges.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/users/modify-admin-privileges.tcl,v
diff -u -N -r1.8 -r1.9
--- openacs-4/packages/acs-admin/www/users/modify-admin-privileges.tcl	19 Jan 2018 13:40:40 -0000	1.8
+++ openacs-4/packages/acs-admin/www/users/modify-admin-privileges.tcl	23 Jun 2018 16:30:58 -0000	1.9
@@ -27,9 +27,11 @@
 
     ad_returnredirect $return_url
 
-    # We need to flush all permission checks pertaining to this user.
-    # this is expensive so maybe we should check if we in fact are cacheing.
-    util_memoize_flush_regexp "^permission::.*-party_id $user_id"
+    #
+    # Flush all permission checks pertaining to this user.
+    #
+    permission::cache_flush -party_id $user_id
+    
     ad_script_abort
 }