diff --git a/apps/pm/views.py b/apps/pm/views.py
index d37dd0d7..1bbe4135 100644
--- a/apps/pm/views.py
+++ b/apps/pm/views.py
@@ -109,6 +109,8 @@ class MtaskViewSet(CustomModelViewSet):
         data = MtaskSerializer(instance=mtasks, many=True).data
         res_data = []
         len_data = len(data)
+        if len_data == 1:
+            return Response(data)
         for ind, val in enumerate(data):
             if val['utask'] is None:
                 res_data.append(val)