diff --git a/engine/apps/api/tests/test_alert_group.py b/engine/apps/api/tests/test_alert_group.py
index b293256c..a22ebdb3 100644
--- a/engine/apps/api/tests/test_alert_group.py
+++ b/engine/apps/api/tests/test_alert_group.py
@@ -76,6 +76,27 @@ def test_get_filter_by_integration(
     assert len(response.data["results"]) == 4
 
 
+@pytest.mark.django_db
+def test_get_alert_groups_from_deleted_integration(alert_group_internal_api_setup, make_user_auth_headers):
+    user, token, alert_groups = alert_group_internal_api_setup
+
+    alert_receive_channel = alert_groups[0].channel
+    alert_receive_channel.delete()
+
+    client = APIClient()
+
+    url = reverse("api-internal:alertgroup-list")
+    response = client.get(
+        url,
+        format="json",
+        **make_user_auth_headers(user, token),
+    )
+
+    assert response.status_code == status.HTTP_200_OK
+    # Alert groups from deleted integrations should be returned
+    assert len(response.data["results"]) == 4
+
+
 @pytest.mark.django_db
 def test_get_filter_started_at(alert_group_internal_api_setup, make_user_auth_headers):
     user, token, _ = alert_group_internal_api_setup
diff --git a/engine/apps/api/views/alert_group.py b/engine/apps/api/views/alert_group.py
index f1db153a..f022010e 100644
--- a/engine/apps/api/views/alert_group.py
+++ b/engine/apps/api/views/alert_group.py
@@ -324,7 +324,7 @@ class AlertGroupView(
     def get_queryset(self, ignore_filtering_by_available_teams=False):
         # no select_related or prefetch_related is used at this point, it will be done on paginate_queryset.
 
-        alert_receive_channels_qs = AlertReceiveChannel.objects.filter(
+        alert_receive_channels_qs = AlertReceiveChannel.objects_with_deleted.filter(
             organization_id=self.request.auth.organization.id
         )
         if not ignore_filtering_by_available_teams: