diff --git a/backend/pashub_fetcher/tests/test_pashub_service.py b/backend/pashub_fetcher/tests/test_pashub_service.py
index aa8b6e2ce..1acb583d3 100644
--- a/backend/pashub_fetcher/tests/test_pashub_service.py
+++ b/backend/pashub_fetcher/tests/test_pashub_service.py
@@ -896,3 +896,34 @@ def test_run_fetches_summary_from_coordination_client_on_primary_auth_failure()
     coord_client.get_rdsap_summary_by_job_id.assert_called_once()
     saved: EpcPropertyData = mock_save.call_args[0][1]
     assert saved.energy_rating_current == 78
+
+
+def test_run_uploads_to_sharepoint_even_when_summary_fetch_fails() -> None:
+    # Arrange — file distribution must survive a loud site-note save failure
+    mock_client = _site_note_client()
+    mock_client.get_rdsap_summary_by_job_id.side_effect = RuntimeError("summary down")
+
+    mock_sharepoint = MagicMock(spec=DomnaSharepointClient)
+    mock_sharepoint.get_folders_in_path.return_value = {
+        "value": [{"name": "123 Main St"}]
+    }
+    service = make_service(pashub_client=mock_client, sharepoint_client=mock_sharepoint)
+
+    # Act / Assert
+    with (
+        patch("backend.pashub_fetcher.pashub_service.upload_file_to_s3"),
+        patch("backend.pashub_fetcher.pashub_service.db_session"),
+        patch("backend.pashub_fetcher.pashub_service.os.remove"),
+    ):
+        with pytest.raises(RuntimeError):
+            service.run(
+                make_request(
+                    uprn="12345",
+                    sharepoint_link="Retrofit/Properties",
+                    address="123 Main St | deal",
+                )
+            )
+
+    mock_sharepoint.upload_file.assert_any_call(
+        RD_SAP_SITE_NOTE_PATH, "Retrofit/Properties/123 Main St", "RdSAP_SiteNote_001.pdf"
+    )