diff --git a/dtool/Config.pp b/dtool/Config.pp
index 351dc81230..d7daa97d40 100644
--- a/dtool/Config.pp
+++ b/dtool/Config.pp
@@ -312,6 +312,8 @@
   #define AUDIO_LPATH /mspsdk/Lib  
   #define AUDIO_LIBS winmm.lib dsound.lib user32.lib ole32.lib dxguid.lib
 #else
+  #define AUDIO_IPATH
+  #define AUDIO_LPATH
   #define AUDIO_LIBS
 #endif