1 files changed, 1 insertions, 0 deletions

diff --git a/vehicle.h b/vehicle.h
index a68a234bd..5e40d7772 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -4,6 +4,7 @@
 #include "pool.h"
 #include "order.h"
 #include "rail.h"
+#include "variables.h"
 
 enum {
 	VEH_Train = 0x10,