Index: branches/5.2.x/core/admin_templates/user_selector.tpl
===================================================================
diff -u -N -r14572 -r14726
--- branches/5.2.x/core/admin_templates/user_selector.tpl	(.../user_selector.tpl)	(revision 14572)
+++ branches/5.2.x/core/admin_templates/user_selector.tpl	(.../user_selector.tpl)	(revision 14726)
@@ -49,7 +49,7 @@
 	<inp2:Field field="$field" first_chars="$first_chars" nl2br="$nl2br" grid="$grid" no_special="$no_special" format="$format"/>
 
 	<script type="text/javascript">
-		$user_logins[ <inp2:Field name="$IdField"/> ] = '<inp2:Field name="Login" js_escape="1"/>';
+		$user_logins[ <inp2:Field name="$IdField"/> ] = '<inp2:Field name="Username" js_escape="1"/>';
 	</script>
 </inp2:m_DefineElement>