Index: openacs-4/packages/dotlrn-admin/www/admin/site-wide-admin-toggle.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-admin/www/admin/site-wide-admin-toggle.tcl,v
diff -u -N -r1.4 -r1.5
--- openacs-4/packages/dotlrn-admin/www/admin/site-wide-admin-toggle.tcl	21 Jan 2018 01:04:52 -0000	1.4
+++ openacs-4/packages/dotlrn-admin/www/admin/site-wide-admin-toggle.tcl	23 Jun 2018 16:30:58 -0000	1.5
@@ -38,7 +38,10 @@
     ad_permission_revoke $user_id [acs_magic_object "security_context_root"] "admin"
 }
 
-util_memoize_flush_regexp  $user_id
+#
+# Flush all permission checks pertaining to this user.
+#
+permission::cache_flush -party_id $user_id
 
 ad_returnredirect $referer
 ad_script_abort