diff --git a/train_cmd.c b/train_cmd.c
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -1842,6 +1842,9 @@ int32 CmdRefitRailVehicle(TileIndex tile
 
 	_returned_refit_capacity = num;
 
+	/* Update the train's cached variables */
+	if (flags & DC_EXEC) TrainConsistChanged(GetVehicle(p1));
+
 	return cost;
 }