diff --git a/train_cmd.c b/train_cmd.c
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -1892,7 +1892,7 @@ int32 CmdRefitRailVehicle(TileIndex tile
 	_returned_refit_capacity = num;
 
 	/* Update the train's cached variables */
-	if (flags & DC_EXEC) TrainConsistChanged(GetVehicle(p1));
+	if (flags & DC_EXEC) TrainConsistChanged(GetFirstVehicleInChain(GetVehicle(p1)));
 
 	return cost;
 }