diff --git a/Quake/keys.c b/Quake/keys.c
index d32756d4..91b41a17 100644
--- a/Quake/keys.c
+++ b/Quake/keys.c
@@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
+#include "arch_def.h"
 
 /* key up events are sent even if in console mode */