diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index ddfefe74..28ae5893 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -956,7 +956,7 @@ class MlogbwStartTestSerializer(serializers.Serializer):
             if mlogbw.ftest:
                 existing_ftests[mlogbw.ftest_id] = mlogbw.ftest
             else:
-                ftest = Ftest(test_date=test_date, qct=qct, test_user=test_user, type="process")
+                ftest = Ftest(test_date=test_date, qct=qct, test_user=test_user, type="process", id=idWorker.get_id())
                 new_ftests.append(ftest)
                 mlogbws_to_update.append(mlogbw)