diff --git a/tests/test_ffmpeg_builder.py b/tests/test_ffmpeg_builder.py
index 1591e2f..9179b88 100644
--- a/tests/test_ffmpeg_builder.py
+++ b/tests/test_ffmpeg_builder.py
@@ -37,8 +37,8 @@ def test_set_audio_quality() -> None:
 	assert set_audio_quality('libmp3lame', 50) == [ '-q:a', '4' ]
 	assert set_audio_quality('libmp3lame', 100) == [ '-q:a', '0' ]
 	assert set_audio_quality('libopus', 0) == [ '-b:a', '64k' ]
-	assert set_audio_quality('libopus', 50) == [ '-b:a', '192k' ]
-	assert set_audio_quality('libopus', 100) == [ '-b:a', '320k' ]
+	assert set_audio_quality('libopus', 50) == [ '-b:a', '160k' ]
+	assert set_audio_quality('libopus', 100) == [ '-b:a', '256k' ]
 	assert set_audio_quality('libvorbis', 0) == [ '-q:a', '-1.0' ]
 	assert set_audio_quality('libvorbis', 50) == [ '-q:a', '4.5' ]
 	assert set_audio_quality('libvorbis', 100) == [ '-q:a', '10.0' ]