diff --git a/src/applications/differential/storage/DifferentialDiff.php b/src/applications/differential/storage/DifferentialDiff.php
index 415c46bb27..1814355cfd 100644
--- a/src/applications/differential/storage/DifferentialDiff.php
+++ b/src/applications/differential/storage/DifferentialDiff.php
@@ -313,6 +313,38 @@ final class DifferentialDiff
       }
     }
 
+    // If we were unable to pull authorship data from commit metadata and
+    // this diff is associated with a revision, use the revision author's
+    // account details instead.
+    if (!strlen(idx($dict, 'authorEmail'))) {
+      if ($this->hasRevision()) {
+        $viewer = PhabricatorUser::getOmnipotentUser();
+
+        $revision = $this->getRevision();
+        $author_phid = $revision->getAuthorPHID();
+
+        $author = id(new PhabricatorUserQuery())
+          ->setViewer($viewer)
+          ->withPHIDs(array($author_phid))
+          ->executeOne();
+        if ($author) {
+          $email = id(new PhabricatorUserEmail())->loadOneWhere(
+            'userPHID = %s AND isPrimary = 1',
+            $author->getPHID());
+          if ($email) {
+            $author_name = $author->getRealName();
+            if (!strlen($author_name)) {
+              $author_name = $author->getUsername();
+            }
+            $author_email = $email->getAddress();
+
+            $dict['authorName'] = $author_name;
+            $dict['authorEmail'] = $author_email;
+          }
+        }
+      }
+    }
+
     return $dict;
   }