diff --git a/core/apps/orders/serializers/party.py b/core/apps/orders/serializers/party.py
index dc8090b..ebe59b5 100644
--- a/core/apps/orders/serializers/party.py
+++ b/core/apps/orders/serializers/party.py
@@ -1,3 +1,5 @@
+from decimal import Decimal
+
 from django.db import transaction
 from rest_framework import serializers
 
@@ -85,10 +87,10 @@ class PartyCreateSerializer(serializers.Serializer):
             party.orders.add(*created_orders)
             party.save()
             PartyAmount.objects.create(
-                total_price=total_price,
+                total_price=Decimal(total_price),
                 party=party,
-                payment_amount=total_price - validated_data.get("discount", 0),
-                cost_amount=total_price - validated_data.get("discount", 0),
+                payment_amount=Decimal(total_price) - validated_data.get("discount", 0),
+                cost_amount=Decimal(total_price) - validated_data.get("discount", 0),
             )
             return party