diff --git a/src/sound/sdl_s.cpp b/src/sound/sdl_s.cpp
--- a/src/sound/sdl_s.cpp
+++ b/src/sound/sdl_s.cpp
@@ -1,10 +1,9 @@
 /* $Id$ */
 
+#ifdef WITH_SDL
+
 #include "../stdafx.h"
 
-#ifdef WITH_SDL
-
-#include "../openttd.h"
 #include "../driver.h"
 #include "../mixer.h"
 #include "../sdl.h"