diff --git a/payments/signals.py b/payments/signals.py
index ffd1111f..6853f288 100644
--- a/payments/signals.py
+++ b/payments/signals.py
@@ -14,20 +14,22 @@ def create_balance_on_user_creation_signal(instance, created, **_kwargs):
 
 
 @receiver(pre_save, sender=Transaction)
-def process_transaction_changes(instance, created, **_kwargs):
-    if created:
+def process_transaction_changes(instance, **_kwargs):
+    is_new = instance.pk is None
+
+    if is_new:
         try:
             match instance.process.get("gateway", "default"):
                 case "gateway":
-                    gateway = AbstractGateway
+                    gateway = AbstractGateway()
                 case "default":
-                    gateway = AbstractGateway
+                    gateway = AbstractGateway()
                 case _:
                     gateway = AbstractGateway()
             gateway.process_transaction(instance)
         except Exception as e:
             instance.process = {"status": "ERRORED", "error": str(e)}
-    if not created:
+    else:
         status = str(instance.process.get("status", "")).lower()
         success = instance.process.get("success", False)