Index: openacs-4/packages/xowiki/tcl/chat-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/chat-procs.tcl,v
diff -u -r1.54.2.6 -r1.54.2.7
--- openacs-4/packages/xowiki/tcl/chat-procs.tcl	7 Mar 2019 12:30:39 -0000	1.54.2.6
+++ openacs-4/packages/xowiki/tcl/chat-procs.tcl	7 Mar 2019 12:46:38 -0000	1.54.2.7
@@ -490,7 +490,7 @@
     switch -- $mode {
       polling {
         set jspath /resources/xowiki/chat.js
-        set subscribe_url ${base_url}&m=get_new&=polling
+        set subscribe_url ${base_url}&m=get_new&mode=polling
       }
       streaming {
         set jspath /resources/xowiki/streaming-chat.js