1 files changed, 1 insertions, 0 deletions
diff --git a/vehicle.h b/vehicle.h
index 67961c468..c21c12477 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -174,6 +174,7 @@ struct Vehicle {
 	byte subspeed;           // fractional speed
 	byte acceleration;       // used by train & aircraft
 	byte progress;
+	uint32 motion_counter;
 
 	byte vehstatus;          // Status
 	StationID last_station_visited;