diff --git a/src/ui/main-window.ui b/src/ui/main-window.ui
index 9449562..3ee1325 100644
--- a/src/ui/main-window.ui
+++ b/src/ui/main-window.ui
@@ -118,7 +118,7 @@
         </child>
       </object>
     </child>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox">
         <property name="hexpand">True</property>
         <property name="vexpand">True</property>