diff --git a/src/gui/gcal-window.ui b/src/gui/gcal-window.ui
index a65332cf..8f745c86 100644
--- a/src/gui/gcal-window.ui
+++ b/src/gui/gcal-window.ui
@@ -114,6 +114,7 @@
                       <object class="GtkMenuButton" id="menu_button">
                         <property name="icon-name">open-menu-symbolic</property>
                         <property name="popover">win_menu</property>
+                        <property name="tooltip-text" translatable="yes">Main Menu</property>
                       </object>
                     </child>
                   </object>