Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -r1.140.2.54 -r1.140.2.55
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	14 Oct 2016 18:58:53 -0000	1.140.2.54
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	28 Oct 2016 10:30:14 -0000	1.140.2.55
@@ -261,7 +261,7 @@
     set url [ns_set get [ns_conn headers] Referer]
     if {$relative_p} {
         # In case the referrer URL has a protocol and host remove it
-        regexp {^[a-z]+://[^/]+(/.+)$} $url . url
+        regexp {^[a-z]+://[^/]+(/.*)$} $url . url
     }
     return $url
 }