diff --git a/src/main.rs b/src/main.rs
index 7b09705..858248a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,6 +19,10 @@ fn build_ui(app: &Application) {
         .margin_end(12)
         .build();
 
+    button.connect_clicked(move |button| {
+        button.set_label("Hahaha! Gay!");
+    });
+
     let window = ApplicationWindow::builder()
         .application(app)
         .title("Gamarjoba from GTK4")