diff --git a/meltysynth/synthesizer.go b/meltysynth/synthesizer.go
index 02ff04a..1be8b26 100644
--- a/meltysynth/synthesizer.go
+++ b/meltysynth/synthesizer.go
@@ -6,7 +6,7 @@ import (
 
 const (
 	synth_channelCount      int32 = 16
-	synth_percussionChannel int32 = 16
+	synth_percussionChannel int32 = 9
 )
 
 type Synthesizer struct {