diff --git a/audio/drivers/dsound.c b/audio/drivers/dsound.c
index e6bc5eb16c..de916d9ba8 100644
--- a/audio/drivers/dsound.c
+++ b/audio/drivers/dsound.c
@@ -20,6 +20,7 @@
 #include <string.h>
 
 #ifndef _XBOX
+#include <windows.h>
 #include <mmreg.h>
 #include <mmsystem.h>
 #endif