Index: openacs-4/packages/acs-subsite/lib/subsites.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/lib/subsites.tcl,v
diff -u -N -r1.18 -r1.19
--- openacs-4/packages/acs-subsite/lib/subsites.tcl	10 Dec 2018 16:27:00 -0000	1.18
+++ openacs-4/packages/acs-subsite/lib/subsites.tcl	10 Dec 2018 16:31:47 -0000	1.19
@@ -50,8 +50,9 @@
 
 set untrusted_user_id [ad_conn untrusted_user_id]
 
-db_multirow -extend { url join_url request_url } subsites select_subsites {*SQL*} {
-    set join_url [export_vars -base "${subsite_url}register/user-join" { group_id { return_url [ad_return_url] } }]
+set return_url [ad_return_url]
+db_multirow -extend { url join_url request_url } subsites select_subsites {} {
+    set join_url [export_vars -base "${subsite_url}register/user-join" {group_id return_url}]
     set url $subsite_url$name
 }