diff --git a/audio/go2cpp/player_js.go b/audio/internal/go2cpp/player_js.go
similarity index 100%
rename from audio/go2cpp/player_js.go
rename to audio/internal/go2cpp/player_js.go
diff --git a/audio/readerplayer_js.go b/audio/readerplayer_js.go
index 76e0e8798..8a00d77d1 100644
--- a/audio/readerplayer_js.go
+++ b/audio/readerplayer_js.go
@@ -18,7 +18,7 @@ import (
 	"io"
 	"syscall/js"
 
-	"github.com/hajimehoshi/ebiten/v2/audio/go2cpp"
+	"github.com/hajimehoshi/ebiten/v2/audio/internal/go2cpp"
 )
 
 func isReaderContextAvailable() bool {