Index: openacs-4/packages/chat/www/room-enter.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/room-enter.tcl,v
diff -u -N -r1.12 -r1.13
--- openacs-4/packages/chat/www/room-enter.tcl	1 Oct 2018 12:17:00 -0000	1.12
+++ openacs-4/packages/chat/www/room-enter.tcl	1 Oct 2018 12:27:32 -0000	1.13
@@ -24,7 +24,7 @@
     ad_script_abort
 }
 
-ad_returnredirect "chat?room_id=$room_id"
+ad_returnredirect [export_vars -base "chat" {room_id}]
 
 # Local variables:
 #    mode: tcl