diff --git a/src/gui/gcal-calendar-button.ui b/src/gui/gcal-calendar-button.ui
index 4b05a769..fe1f1714 100644
--- a/src/gui/gcal-calendar-button.ui
+++ b/src/gui/gcal-calendar-button.ui
@@ -20,7 +20,8 @@
                   <object class="GtkBox">
                     <child>
                       <object class="GtkLabel">
-                        <property name="label" translatable="yes">Calendars</property>
+                        <property name="label" translatable="yes">_Calendars</property>
+                        <property name="use-underline">True</property>
                       </object>
                     </child>
                     <child>