diff --git a/src/ad_test/test_startup.py b/src/ad_test/test_startup.py
index 7fd1399..12cb876 100644
--- a/src/ad_test/test_startup.py
+++ b/src/ad_test/test_startup.py
@@ -41,6 +41,8 @@ def test_startup(ad: AppDaemon, caplog: pytest.LogCaptureFixture):
     with caplog.at_level(logging.DEBUG):
         ad.loop.run_until_complete(asyncio.sleep(2.0))
 
+    error_log_lines = [msg for name, lvl, msg in caplog.record_tuples if name.startswith('Error')]
+    assert len(error_log_lines) == 0
     assert "Started 'hello_world'" in caplog.text
     assert 'App initialization complete' in caplog.text