Index: openacs-4/packages/acs-subsite/www/shared/session-update.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/shared/session-update.tcl,v
diff -u -N -r1.5 -r1.5.2.1
--- openacs-4/packages/acs-subsite/www/shared/session-update.tcl	5 Jan 2018 22:40:56 -0000	1.5
+++ openacs-4/packages/acs-subsite/www/shared/session-update.tcl	11 Dec 2019 18:13:56 -0000	1.5.2.1
@@ -25,7 +25,7 @@
     return_url:localurl
 } -validate {
     referrer_error {
-        if { $session_property(referrer) ne [get_referrer] } {
+        if { $session_property(referrer) ne [util::get_referrer] } {
             ad_complain "Expected referrer does not match actual referrer"
         }
     }