diff --git a/panels/sound/cc-sound-panel.ui b/panels/sound/cc-sound-panel.ui
index 7c56e6a2e..1211d261e 100644
--- a/panels/sound/cc-sound-panel.ui
+++ b/panels/sound/cc-sound-panel.ui
@@ -56,7 +56,7 @@
                             </child>
                             <child>
                               <object class="GtkButton">
-                                <property name="label" translatable="yes">_Test</property>
+                                <property name="label" translatable="yes">_Test…</property>
                                 <property name="use-underline">True</property>
                                 <signal name="clicked" handler="test_output_configuration_button_clicked_cb" object="CcSoundPanel" swapped="yes"/>
                               </object>