1 files changed, 1 insertions, 0 deletions

diff --git a/sdl.c b/sdl.c
index 87d8ec6c9..c5a7f7cf0 100644
--- a/sdl.c
+++ b/sdl.c
@@ -2,6 +2,7 @@
 
 #if defined(WITH_SDL)
 #include "ttd.h"
+#include "debug.h"
 #include "gfx.h"
 #include "sound.h"
 #include "window.h"