diff --git a/src/applications/diffusion/xaction/DiffusionCommitActionTransaction.php b/src/applications/diffusion/xaction/DiffusionCommitActionTransaction.php
--- a/src/applications/diffusion/xaction/DiffusionCommitActionTransaction.php
+++ b/src/applications/diffusion/xaction/DiffusionCommitActionTransaction.php
@@ -63,7 +63,7 @@
       return false;
     }
 
-    return ($viewer->getPHID() === $commit->getAuthorPHID());
+    return ($viewer->getPHID() === $commit->getEffectiveAuthorPHID());
   }
 
   public function newEditField(