diff --git a/modules/worker/back/models/worker-labour.json b/modules/worker/back/models/worker-labour.json
index b954c54833..5d2b56bfc2 100644
--- a/modules/worker/back/models/worker-labour.json
+++ b/modules/worker/back/models/worker-labour.json
@@ -9,10 +9,10 @@
     "properties": {
         "businessFk": {
             "id": true,
-            "type": "Number"
+            "type": "number"
         },
         "workerFk": {
-            "type": "Number"
+            "type": "number"
         },
         "started": {
             "type": "date"
@@ -21,7 +21,7 @@
             "type": "date"
         },
         "payedHolidays": {
-            "type": "Number"
+            "type": "number"
         }
     },
     "relations": {