diff --git a/modules/worker/back/models/device-production-user.json b/modules/worker/back/models/device-production-user.json
index a024cc94c..31aaf92d4 100644
--- a/modules/worker/back/models/device-production-user.json
+++ b/modules/worker/back/models/device-production-user.json
@@ -25,7 +25,7 @@
         "userFk": {
             "type": "number"
         },
-        "simSerialNumber": {
+        "simFk": {
             "type": "string"
         },
         "created": {