1 files changed, 1 insertions, 0 deletions

diff --git a/ttd.c b/ttd.c
index 94722239d..2074f79e9 100644
--- a/ttd.c
+++ b/ttd.c
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "table/strings.h"
+#include "map.h"
 
 #define VARDEF
 #include "ttd.h"