diff --git a/src/applications/differential/controller/DifferentialRevisionViewController.php b/src/applications/differential/controller/DifferentialRevisionViewController.php
--- a/src/applications/differential/controller/DifferentialRevisionViewController.php
+++ b/src/applications/differential/controller/DifferentialRevisionViewController.php
@@ -203,7 +203,7 @@
         null,
         'getCommitIdentifier');
     } else {
-      $commit_for_links = array();
+      $commits_for_links = array();
     }
 
     $revision_detail = id(new DifferentialRevisionDetailView())