1 files changed, 1 insertions, 0 deletions
diff --git a/ai.c b/ai.c
index 8abe5f655..598ab4d4a 100644
--- a/ai.c
+++ b/ai.c
@@ -1,6 +1,7 @@
 #include "stdafx.h"
 #include "ttd.h"
 #include "map.h"
+#include "tile.h"
 #include "player.h"
 #include "vehicle.h"
 #include "engine.h"