Index: openacs-4/packages/acs-subsite/www/admin/groups/new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/admin/groups/new.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/acs-subsite/www/admin/groups/new.tcl	27 Oct 2014 16:39:51 -0000	1.7
+++ openacs-4/packages/acs-subsite/www/admin/groups/new.tcl	27 Apr 2015 15:28:18 -0000	1.8
@@ -13,7 +13,7 @@
     { group_type_exact_p t }
     { group_name "" }
     { group_id:naturalnum "" }
-    {add_to_group_id:naturalnum ""}
+    {add_to_group_id:integer ""}
     {add_with_rel_type "composition_rel"}
     { return_url "" }
     {group_rel_type_list ""}