diff --git a/resources/ui/gtk3/prefs.ui b/resources/ui/gtk3/prefs.ui
index a68c755..93815a3 100644
--- a/resources/ui/gtk3/prefs.ui
+++ b/resources/ui/gtk3/prefs.ui
@@ -39,6 +39,11 @@
   </object>
 
   <object class="GtkBox" id="settings-widget">
+    <child>
+      <object class="GtkStackSidebar">
+        <property name="stack">main-stack</property>
+      </object>
+    </child>
     <child>
       <object class="GtkStack" id="main-stack">
         <child>