diff --git a/apps/transfer/serializers/comments.py b/apps/transfer/serializers/comments.py
index 8322f89f..9458ecf3 100644
--- a/apps/transfer/serializers/comments.py
+++ b/apps/transfer/serializers/comments.py
@@ -52,7 +52,7 @@ class CommentSerializer(serializers.Serializer):
     def get_mark(data):
         if not data['mark']:
             return None
-        return data['mark'] * -1 if data['mark'] < 0 else data['mark']
+        return data['mark'] * -1 if data['mark'] < 0 else round(data['mark'] * 2)
 
     @staticmethod
     def get_status(data):