Index: openacs-4/packages/theme-zen/lib/lrn-master.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/theme-zen/lib/lrn-master.tcl,v
diff -u -r1.14 -r1.15
--- openacs-4/packages/theme-zen/lib/lrn-master.tcl	27 Oct 2014 16:41:59 -0000	1.14
+++ openacs-4/packages/theme-zen/lib/lrn-master.tcl	27 Jun 2015 20:50:47 -0000	1.15
@@ -235,7 +235,7 @@
     set ds_link {}
 }
 
-set change_locale_url "/acs-lang/?[export_vars { { package_id "[ad_conn package_id]" } }]"
+set change_locale_url [export_vars -base /acs-lang { { package_id "[ad_conn package_id]" } }]
 
 # Hack for title and context bar outside of dotlrn