diff --git a/c/gtk-tutorial/helloworld/helloworld_with_box.c b/c/gtk-tutorial/helloworld/helloworld_with_box.c
index 71f6389..d5d224d 100644
--- a/c/gtk-tutorial/helloworld/helloworld_with_box.c
+++ b/c/gtk-tutorial/helloworld/helloworld_with_box.c
@@ -82,6 +82,13 @@ int main( int   argc,
      * recommend showing the window last, so it all pops up at once. */
     gtk_widget_show (button);
 
+    /* Add quiet button */
+    button = gtk_button_new_with_label ("Quit");
+    g_signal_connect_swapped (G_OBJECT (button), "clicked",
+                      G_CALLBACK (delete_event), G_OBJECT (window));
+    gtk_box_pack_start (GTK_BOX (box1), button, TRUE, TRUE, 0);
+    gtk_widget_show (button);
+
     gtk_widget_show (box1);
 
     gtk_widget_show (window);