diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/error_handling_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/error_handling_service.py
index 1c8e66a3..5d6346d7 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/error_handling_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/error_handling_service.py
@@ -76,7 +76,7 @@ class ErrorHandlingService:
     def handle_system_notification(
         error: Union[ApiError, Exception],
         recipients: List,
-    ):
+    ) -> Response:
         message_payload = {
             'my_var': 'my_value',
             'error': error.__repr__(),
diff --git a/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py b/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
index efc22ab5..d4e630f3 100644
--- a/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
+++ b/spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_process_api.py
@@ -2160,7 +2160,7 @@ class TestProcessApi(BaseTest):
         assert process is not None
         assert process.status == "suspended"
 
-    def test_error_handler_system_notification(self):
+    def test_error_handler_system_notification(self) -> None:
         """Test_error_handler_system_notification."""
         # TODO: make sure the system notification process is run on exceptions
         ...