Index: openacs-4/packages/new-portal/tcl/portal-procs.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/new-portal/tcl/portal-procs.xql,v
diff -u -r1.50 -r1.50.6.1
--- openacs-4/packages/new-portal/tcl/portal-procs.xql	24 Apr 2009 11:51:21 -0000	1.50
+++ openacs-4/packages/new-portal/tcl/portal-procs.xql	24 Aug 2016 13:28:17 -0000	1.50.6.1
@@ -271,7 +271,7 @@
     <fullquery name="portal::configure_dispatch.toggle_tab_visibility">
         <querytext>
             update portal_pages
-            set hidden_p = case when hidden_p = 't' then 'f' else 't' end
+            set hidden_p = case when hidden_p = true then false else true end
             where page_id = :page_id
         </querytext>
     </fullquery>