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
@@ -110,7 +110,8 @@
         idx($diffs, $diff_vs),
         $repository);
 
-    $this->setChangesetCount(count($rendering_references));
+    $this->setChangesetCount(count($rendering_references) -
+                             count($this->hiddenChangesets));
 
     if ($request->getExists('download')) {
       return $this->buildRawDiffResponse(