diff --git a/src/applications/differential/editor/revision/DifferentialRevisionEditor.php b/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
index d0c2153ec8..1a687f3287 100644
--- a/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
+++ b/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
@@ -69,8 +69,13 @@ class DifferentialRevisionEditor {
     $aux_fields = DifferentialFieldSelector::newSelector()
       ->getFieldSpecifications();
 
+    $user = id(new PhabricatorUser())->loadOneWhere(
+      'phid = %s',
+      $this->actorPHID);
+
     foreach ($aux_fields as $key => $aux_field) {
       $aux_field->setRevision($revision);
+      $aux_field->setUser($user);
       if (!$aux_field->shouldAppearOnCommitMessage()) {
         unset($aux_fields[$key]);
       }
diff --git a/src/applications/differential/editor/revision/__init__.php b/src/applications/differential/editor/revision/__init__.php
index 47e3de505e..6501371f08 100644
--- a/src/applications/differential/editor/revision/__init__.php
+++ b/src/applications/differential/editor/revision/__init__.php
@@ -24,6 +24,7 @@ phutil_require_module('phabricator', 'applications/feed/publisher');
 phutil_require_module('phabricator', 'applications/herald/adapter/differential');
 phutil_require_module('phabricator', 'applications/herald/engine/engine');
 phutil_require_module('phabricator', 'applications/herald/storage/transcript/base');
+phutil_require_module('phabricator', 'applications/people/storage/user');
 phutil_require_module('phabricator', 'applications/phid/handle/data');
 phutil_require_module('phabricator', 'applications/search/index/indexer/differential');
 phutil_require_module('phabricator', 'infrastructure/daemon/timeline/storage/event');