diff --git a/panel-plugin/sample.c b/panel-plugin/sample.c
index a157ecc..8e04620 100644
--- a/panel-plugin/sample.c
+++ b/panel-plugin/sample.c
@@ -130,12 +130,20 @@ sample_read (SamplePlugin *sample)
 
 
 
+static void
+style_update_cb (const gchar *command)
+{
+  g_spawn_command_line_sync (command, NULL, NULL, NULL, NULL);
+}
+
+
+
 static SamplePlugin *
 sample_new (XfcePanelPlugin *plugin)
 {
   SamplePlugin   *sample;
   GtkOrientation  orientation;
-  GtkWidget      *label;
+  GtkWidget      *label, *button;
 
   /* allocate memory for the plugin structure */
   sample = g_slice_new0 (SamplePlugin);
@@ -162,9 +170,14 @@ sample_new (XfcePanelPlugin *plugin)
   gtk_widget_show (label);
   gtk_box_pack_start (GTK_BOX (sample->hvbox), label, FALSE, FALSE, 0);
 
-  label = gtk_label_new (_("Plugin"));
-  gtk_widget_show (label);
-  gtk_box_pack_start (GTK_BOX (sample->hvbox), label, FALSE, FALSE, 0);
+  button = gtk_button_new_with_label (_("Plugin"));
+  gtk_widget_show (button);
+  gtk_box_pack_start (GTK_BOX (sample->hvbox), button, FALSE, FALSE, 0);
+
+  g_signal_connect_swapped (label, "style-updated", G_CALLBACK(style_update_cb),
+    "notify-send 'label style updated'");
+  g_signal_connect_swapped (button, "style-updated", G_CALLBACK(style_update_cb),
+    "notify-send 'button style updated'");
 
   return sample;
 }