diff --git a/db/versions/11290-blackOrchid/00-firstScript.sql b/db/versions/11290-blackOrchid/00-firstScript.sql
index e573e9e32..e0c0e391c 100644
--- a/db/versions/11290-blackOrchid/00-firstScript.sql
+++ b/db/versions/11290-blackOrchid/00-firstScript.sql
@@ -1,6 +1,3 @@
-
-ALTER TABLE `vn`.`worker`
-ADD COLUMN `motoFk` INT(11) UNSIGNED DEFAULT NULL;
-
-ALTER TABLE `vn`.`worker`
-ADD CONSTRAINT `worker_machineFk` FOREIGN KEY (`motoFk`) REFERENCES `machine` (`id`) ON UPDATE CASCADE ON DELETE SET NULL;
+ALTER TABLE `vn`.`operator`
+ADD COLUMN `machineFk` int(11) DEFAULT NULL,
+ADD CONSTRAINT `operator_machine_FK` FOREIGN KEY (`machineFk`) REFERENCES `vn`.`machine` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;
diff --git a/modules/worker/back/models/operator.json b/modules/worker/back/models/operator.json
index d4832bccf..9933babc6 100644
--- a/modules/worker/back/models/operator.json
+++ b/modules/worker/back/models/operator.json
@@ -30,7 +30,10 @@
 		"isOnReservationMode": {
 			"type": "boolean",
 			"required": true
-		}
+		},
+        "machineFk": {
+            "type": "number"
+        }
 	},
 	"relations": {
 		"sector": {
@@ -53,6 +56,11 @@
 			"model": "ItemPackingType",
 			"foreignKey": "itemPackingTypeFk",
 			"primaryKey": "code"
-		}
+		},
+        "machine": {
+            "type": "belongsTo",
+            "model": "Machine",
+            "foreignKey": "machineFk"
+        }
 	}
-}
\ No newline at end of file
+}