diff --git a/solidify/solidify.c b/solidify/solidify.c
index 0fc41f7..b5367c9 100644
--- a/solidify/solidify.c
+++ b/solidify/solidify.c
@@ -101,7 +101,7 @@ static void gui(void)
 	gtk_widget_show_all(root);
 
 	buttons = gui_buttons();
-	gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(hbox), buttons, TRUE, TRUE, 0);
 
 	level(canvas, prj->s.a);
 	active = prj->s.a;