Index: openacs-4/packages/xowiki/tcl/xowiki-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-procs.tcl,v
diff -u -r1.485.2.41 -r1.485.2.42
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	9 Dec 2016 20:51:07 -0000	1.485.2.41
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	12 Dec 2016 17:07:41 -0000	1.485.2.42
@@ -1349,6 +1349,7 @@
       state = :state}
     
     if {$useHstore} {
+      set hkey [::xowiki::hstore::dict_as_hkey $instance_attributes]
       append updateVars ", hkey = '$hkey'"
     }