diff --git a/src/doomdef.h b/src/doomdef.h
index 66e649ee0..fb8ab1ca2 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -60,6 +60,7 @@
 #endif
 
 #ifdef _WINDOWS
+#define NONET
 #if !defined (HWRENDER) && !defined (NOHW)
 #define HWRENDER
 #endif