diff --git a/src/sysprof/sysprof-window.ui b/src/sysprof/sysprof-window.ui
index a165c47a..0f0590d4 100644
--- a/src/sysprof/sysprof-window.ui
+++ b/src/sysprof/sysprof-window.ui
@@ -17,6 +17,7 @@
             <property name="visible">true</property>
             <child type="end">
               <object class="GtkMenuButton" id="menu_button">
+                <property name="tooltip-text" translatable="yes">Main Menu</property>
                 <property name="visible">true</property>
                 <child>
                   <object class="GtkImage">