diff --git a/Capy64/Runtime/Libraries/Audio.cs b/Capy64/Runtime/Libraries/Audio.cs
index 5180126..d64d30e 100644
--- a/Capy64/Runtime/Libraries/Audio.cs
+++ b/Capy64/Runtime/Libraries/Audio.cs
@@ -142,7 +142,10 @@ public class Audio : IPlugin
         var freq = L.CheckNumber(1);
         var time = L.OptNumber(2, 1);
         var volume = L.OptNumber(3, 1);
-        Math.Clamp(volume, 0, 1);
+
+
+
+        volume = Math.Clamp(volume, 0, 1);
 
         var buffer = Core.Audio.GenerateSquareWave(freq, time, volume);