Index: openacs-4/packages/xowiki/tcl/syndicate-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/syndicate-procs.tcl,v
diff -u -N -r1.51.2.5 -r1.51.2.6
--- openacs-4/packages/xowiki/tcl/syndicate-procs.tcl	17 Jun 2019 10:20:51 -0000	1.51.2.5
+++ openacs-4/packages/xowiki/tcl/syndicate-procs.tcl	4 Jul 2019 17:51:39 -0000	1.51.2.6
@@ -272,7 +272,7 @@
     set last_user ""
     set last_item ""
     set last_clock ""
-    if {[info exists :user_id]} { append where_clause " and o.creation_user = [:user_id] " }
+    if {[info exists :user_id]} { append where_clause " and o.creation_user = ${:user_id} " }
     if {[info exists :limit]} { set limit  [:limit] }
 
     ::xo::OrderedComposite items -destroy_on_cleanup