diff --git a/modules/worker/back/methods/worker-time-control/updateWorkerTimeControlMail.js b/modules/worker/back/methods/worker-time-control/updateWorkerTimeControlMail.js
index 4e41a5bdd..3594f05fe 100644
--- a/modules/worker/back/methods/worker-time-control/updateWorkerTimeControlMail.js
+++ b/modules/worker/back/methods/worker-time-control/updateWorkerTimeControlMail.js
@@ -72,7 +72,7 @@ module.exports = Self => {
 
         if (args.state == 'SENDED') {
             await workerTimeControlMail.updateAttributes({
-                sendedCounter: workerTimeControlMail.sendedCounter + 1
+                sendedCounter: workerTimeControlMail.sendedCounter ? workerTimeControlMail.sendedCounter + 1 : 1
             }, myOptions);
         }
     };