diff --git a/ruby/GNUmakefile b/ruby/GNUmakefile
index e422014a..d67aa3ef 100755
--- a/ruby/GNUmakefile
+++ b/ruby/GNUmakefile
@@ -1,7 +1,7 @@
 ifeq ($(ruby),)
   ifeq ($(platform),windows)
     ruby += video.wgl video.direct3d video.directdraw video.gdi
-    ruby += audio.wasapi audio.xaudio2 audio.directsound audio.waveout #audio.alsa
+    ruby += audio.wasapi audio.xaudio2 audio.directsound audio.waveout #audio.asio
     ruby += input.windows
   else ifeq ($(platform),macos)
     ruby += video.cgl