diff --git a/src/applications/differential/controller/DifferentialDiffCreateController.php b/src/applications/differential/controller/DifferentialDiffCreateController.php
index be048ba3aa..dd2776b42e 100644
--- a/src/applications/differential/controller/DifferentialDiffCreateController.php
+++ b/src/applications/differential/controller/DifferentialDiffCreateController.php
@@ -65,7 +65,7 @@ final class DifferentialDiffCreateController extends DifferentialController {
           $arcanist_link,
           phutil_tag('tt', array(), 'svn diff'),
           phutil_tag('tt', array(), 'git diff'),
-          phutil_tag('tt', array(), 'hg diff')))
+          phutil_tag('tt', array(), 'hg diff --git')))
       ->appendChild(
         id(new AphrontFormTextAreaControl())
           ->setLabel(pht('Raw Diff'))