Index: openacs-4/packages/acs-admin/www/users/merge.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/users/merge.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/acs-admin/www/users/merge.tcl	7 Aug 2017 23:47:45 -0000	1.7
+++ openacs-4/packages/acs-admin/www/users/merge.tcl	2 Feb 2018 00:04:50 -0000	1.8
@@ -6,7 +6,7 @@
     @cvs-id $Id$
 } {
     user_id:naturalnum,notnull
-    user_id_from_search
+    user_id_from_search:naturalnum,notnull
 } -properties {
     context:onevalue
     first_names:onevalue