diff --git a/eox_nelp/signals/receivers.py b/eox_nelp/signals/receivers.py
index 22e71d13..45319364 100644
--- a/eox_nelp/signals/receivers.py
+++ b/eox_nelp/signals/receivers.py
@@ -199,21 +199,18 @@ def update_payment_notifications(instance, **kwargs):
     user = instance.user
     course_key = instance.course_id
 
-    try:
-        payment_notification = PaymentNotification.objects.exclude(
-            internal_status="resolution_by_case_1",
-        ).get(
-            cdtrans_lms_user_id=user.id,
-            cdtrans_course_id=str(course_key),
-        )
-    except PaymentNotification.DoesNotExist:
-        return
+    payment_notifications = PaymentNotification.objects.filter(
+        cdtrans_lms_user_id=user.id,
+        cdtrans_course_id=str(course_key),
+        internal_status="case_1",
+    )
 
-    payment_notification.internal_status = "resolution_by_case_1"
-    payment_notification.save()
+    for payment_notification in payment_notifications:
+        payment_notification.internal_status = "resolution_by_case_1"
+        payment_notification.save()
 
-    LOGGER.info(
-        "The internal status of the payment notification with id %s has been updated to %s",
-        payment_notification.id,
-        payment_notification.internal_status,
-    )
+        LOGGER.info(
+            "The internal status of the payment notification with id %s has been updated to %s",
+            payment_notification.id,
+            payment_notification.internal_status,
+        )