diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index f5561304..8663e53a 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -591,7 +591,7 @@ class MlogbwCreateUpdateSerializer(CustomModelSerializer):
         return attrs
 
     def save_ftest(self, mlogbw, ftest_data):
-        if "id" not in ftest_data or not ftest_data["id"]:
+        if "id" not in ftest_data:
             ftest_sr = FtestProcessSerializer(data=ftest_data)
             ftest = ftest_sr.create(ftest_data)
             mlogbw.ftest = ftest