Index: openacs-4/packages/acs-subsite/www/admin/groups/constraints-create-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/admin/groups/constraints-create-2.tcl,v
diff -u -r1.4.2.1 -r1.4.2.2
--- openacs-4/packages/acs-subsite/www/admin/groups/constraints-create-2.tcl	10 Sep 2015 08:21:41 -0000	1.4.2.1
+++ openacs-4/packages/acs-subsite/www/admin/groups/constraints-create-2.tcl	20 May 2016 18:13:42 -0000	1.4.2.2
@@ -13,7 +13,7 @@
     group_id:notnull,naturalnum
     rel_type:notnull
     { operation "" }
-    { return_url "" }
+    { return_url:return_url "" }
 }
 
 set operation [string trim [string tolower $operation]]