diff --git a/db/routines/vn/procedures/workerDisable.sql b/db/routines/vn/procedures/workerDisable.sql
index 4b10cb7fa2..04612a6dc5 100644
--- a/db/routines/vn/procedures/workerDisable.sql
+++ b/db/routines/vn/procedures/workerDisable.sql
@@ -28,5 +28,9 @@ mainLabel:BEGIN
 	UPDATE `client` c
 		SET c.salesPersonFk = null
 		WHERE c.salesPersonFk = vUserId;
+
+	UPDATE locker l
+		SET l.workerFk = NULL
+		WHERE l.workerFk = vUserId; 
 END$$
 DELIMITER ;
diff --git a/db/versions/11019-grayDendro/00-locker.sql b/db/versions/11019-grayDendro/00-locker.sql
index 462f56caad..2cb866b11b 100644
--- a/db/versions/11019-grayDendro/00-locker.sql
+++ b/db/versions/11019-grayDendro/00-locker.sql
@@ -9,7 +9,7 @@ CREATE TABLE `vn`.`locker` (
   `workerFk` int(10) unsigned DEFAULT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `code` (`code`),
-  KEY `workerFk` (`workerFk`),
+  UNIQUE KEY `workerFk` (`workerFk`),
   CONSTRAINT `locker_ibfk_1` FOREIGN KEY (`workerFk`) REFERENCES `worker` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;