diff --git a/finance/serializers.py b/finance/serializers.py
index 6efb77b..381c227 100644
--- a/finance/serializers.py
+++ b/finance/serializers.py
@@ -9,7 +9,7 @@ class BillSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Bill
-        exclude = '__all__'
+        fields = '__all__'
 
     @staticmethod
     def get_user(self):