Index: openacs-4/packages/acs-subsite/www/user/password-update.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/user/password-update.tcl,v
diff -u -r1.22.8.1 -r1.22.8.2
--- openacs-4/packages/acs-subsite/www/user/password-update.tcl	27 Aug 2013 12:20:38 -0000	1.22.8.1
+++ openacs-4/packages/acs-subsite/www/user/password-update.tcl	5 Aug 2014 09:49:27 -0000	1.22.8.2
@@ -4,7 +4,7 @@
     
     @cvs-id $Id$
 } {
-    {user_id {[ad_conn untrusted_user_id]}}
+    {user_id:naturalnum,notnull {[ad_conn untrusted_user_id]}}
     {return_url ""}
     {old_password ""}
     {message ""}