diff --git a/src/applications/differential/conduit/DifferentialQueryConduitAPIMethod.php b/src/applications/differential/conduit/DifferentialQueryConduitAPIMethod.php
--- a/src/applications/differential/conduit/DifferentialQueryConduitAPIMethod.php
+++ b/src/applications/differential/conduit/DifferentialQueryConduitAPIMethod.php
@@ -218,7 +218,11 @@
         'dateCreated'         => $revision->getDateCreated(),
         'dateModified'        => $revision->getDateModified(),
         'authorPHID'          => $revision->getAuthorPHID(),
-        'status'              => $revision->getLegacyRevisionStatus(),
+
+        // NOTE: For backward compatibility this is explicitly a string, like
+        // "2", even though the value of the string is an integer. See PHI14.
+        'status'              => (string)$revision->getLegacyRevisionStatus(),
+
         'statusName'          => $revision->getStatusDisplayName(),
         'properties' => $revision->getProperties(),
         'branch'              => $diff->getBranch(),