diff --git a/core/apps/payment/views.py b/core/apps/payment/views.py
index 5a5d123..5ecf089 100644
--- a/core/apps/payment/views.py
+++ b/core/apps/payment/views.py
@@ -49,7 +49,7 @@ class AtmosCallbackApiView(APIView):
 
         check_string = f"{store_id}{transaction_id}{invoice}{amount}{settings.API_KEY}"
         print(check_string)
-        generated_sign = hashlib.sha256(check_string.encode()).hexdigest()
+        generated_sign = hashlib.md5(check_string.encode()).hexdigest()
         logger.info(f"Biz generatsiya qilgan SIGN: {generated_sign}")
         print("Biz generatsiya qilgan SIGN:", generated_sign)