Index: openacs-4/packages/dotlrn/tcl/dotlrn-security-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/dotlrn-security-procs.tcl,v
diff -u -N -r1.63 -r1.64
--- openacs-4/packages/dotlrn/tcl/dotlrn-security-procs.tcl	27 Mar 2018 14:32:16 -0000	1.63
+++ openacs-4/packages/dotlrn/tcl/dotlrn-security-procs.tcl	18 Sep 2018 17:27:14 -0000	1.64
@@ -160,7 +160,7 @@
         }
         
         # always flush when creating a new user
-        util_memoize_flush "dotlrn::get_portal_id_not_cached -user_id $user_id"
+        ::dotlrn::dotlrn_user_cache flush -partition_key $user_id $user_id-portal_id
 
 	#Site Template Customization
 	dotlrn::set_site_template_id -user_id $user_id \