diff --git a/audio_utils_test.py b/audio_utils_test.py
index aaf590e..6fcdd6e 100644
--- a/audio_utils_test.py
+++ b/audio_utils_test.py
@@ -4,4 +4,4 @@
 
 def test_root_mean_square():
     sine_wave = np.sin(np.linspace(-np.pi, np.pi, 201))
-    assert audio_utils.root_mean_square(sine_wave) == 0
+    assert audio_utils.root_mean_square(sine_wave) == 0.7053456158585982