diff --git a/modules/worker/back/models/operator.json b/modules/worker/back/models/operator.json
index 2417078e1a..6da3945fc3 100644
--- a/modules/worker/back/models/operator.json
+++ b/modules/worker/back/models/operator.json
@@ -33,6 +33,16 @@
             "type": "belongsTo",
             "model": "Sector",
             "foreignKey": "sectorFk"
+        },
+		"train": {
+            "type": "belongsTo",
+            "model": "Train",
+            "foreignKey": "trainFk"
+        },
+		"printer": {
+            "type": "belongsTo",
+            "model": "Printer",
+            "foreignKey": "labelerFk"
         }
     }
 }