diff --git a/ui/appwindow.slint b/ui/appwindow.slint
index eb37946..485957f 100644
--- a/ui/appwindow.slint
+++ b/ui/appwindow.slint
@@ -38,6 +38,7 @@ export component ButtonField inherits Rectangle{
 }
 
 export component LightsOut inherits Window {
+    title: "Lights Out";
     HorizontalBox {
         button_field := ButtonField {
             background: Colors.black;