diff --git a/static/directives/config/config-setup-tool.html b/static/directives/config/config-setup-tool.html
index 7863ab1a4..2ed51dd5c 100644
--- a/static/directives/config/config-setup-tool.html
+++ b/static/directives/config/config-setup-tool.html
@@ -240,7 +240,7 @@
           <tr>
             <td>Mail Sender:</td>
             <td>
-              <input class="form-control" type="email" ng-model="config.DEFAULT_MAIL_SENDER"
+              <input class="form-control" type="email" ng-model="config.MAIL_DEFAULT_SENDER"
                      placeholder="E-mail address"></span>
               <div class="help-text">
                 E-mail address from which all e-mails are sent. If not specified,