Index: openacs-4/packages/chat/www/moderator-grant.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/moderator-grant.tcl,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/chat/www/moderator-grant.tcl	17 Jun 2016 17:36:11 -0000	1.4
+++ openacs-4/packages/chat/www/moderator-grant.tcl	20 Jun 2016 08:37:04 -0000	1.5
@@ -6,7 +6,7 @@
     @creation-date November 16, 2000
     @cvs-id $Id$
 } {
-    room_id:integer,notnull
+    room_id:naturalnum,notnull
 } -properties {
     context_bar:onevalue
     title:onevalue