Index: openacs-4/packages/acs-subsite/www/permissions/grant.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/permissions/grant.tcl,v
diff -u -r1.16.2.2 -r1.16.2.3
--- openacs-4/packages/acs-subsite/www/permissions/grant.tcl	28 Oct 2015 09:38:39 -0000	1.16.2.2
+++ openacs-4/packages/acs-subsite/www/permissions/grant.tcl	20 May 2016 18:13:42 -0000	1.16.2.3
@@ -9,7 +9,7 @@
     object_id:naturalnum,notnull
     privileges:multiple,optional
     {application_url ""}
-    {return_url ""}
+    {return_url:return_url ""}
 }
 
 permission::require_permission -object_id $object_id -privilege admin