diff --git a/tests/test_piper_tts.py b/tests/test_piper_tts.py
index 0ce14bd85..662b9a40c 100644
--- a/tests/test_piper_tts.py
+++ b/tests/test_piper_tts.py
@@ -125,7 +125,7 @@ async def test_run_piper_tts_error(aiohttp_client):
         )
 
         frames_to_send = [
-            TTSSpeakFrame(text="Error case."),
+            TTSSpeakFrame(text="Error case.", append_to_context=False),
         ]
 
         expected_down_frames = [AggregatedTextFrame, TTSStoppedFrame, TTSTextFrame]