diff --git a/resources/sql/patches/113.lastreviewer.sql b/resources/sql/patches/113.lastreviewer.sql
index 592464781..e2b0c597d 100644
--- a/resources/sql/patches/113.lastreviewer.sql
+++ b/resources/sql/patches/113.lastreviewer.sql
@@ -1,12 +1,12 @@
 ALTER TABLE `phabricator_differential`.`differential_revision`
   ADD `lastReviewerPHID` varchar(64) BINARY AFTER `authorPHID`;
 
 UPDATE `phabricator_differential`.`differential_revision`
 SET `lastReviewerPHID` = (
   SELECT `authorPHID`
-  FROM `differential_comment`
+  FROM `phabricator_differential`.`differential_comment`
   WHERE `revisionID` = `differential_revision`.`id`
   AND `action` IN ('accept', 'reject')
   ORDER BY `id` DESC
   LIMIT 1
 );