diff --git a/capplets/appearance/data/appearance.ui b/capplets/appearance/data/appearance.ui
index a68894ef5..61e02cf25 100644
--- a/capplets/appearance/data/appearance.ui
+++ b/capplets/appearance/data/appearance.ui
@@ -748,6 +748,7 @@
                         <property name="can_focus">True</property>
                         <property name="receives_default">False</property>
                         <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="use_underline">True</property>
                       </object>
                       <packing>
                         <property name="expand">False</property>