Index: openacs-4/packages/acs-admin/www/apm/version-callback-invoke.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/apm/version-callback-invoke.tcl,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/acs-admin/www/apm/version-callback-invoke.tcl	27 Oct 2014 16:38:53 -0000	1.4
+++ openacs-4/packages/acs-admin/www/apm/version-callback-invoke.tcl	27 Jun 2015 16:41:07 -0000	1.5
@@ -11,7 +11,7 @@
 
 db_1row package_version_info "select pretty_name, version_name from apm_package_version_info where version_id = :version_id"
 
-set return_url "version-callbacks?[export_vars { version_id }]"
+set return_url [export_vars -base version-callbacks { version_id }]
 
 # Set default values for type and proc name
 set proc_value [apm_get_callback_proc -type $type -version_id $version_id]