diff --git a/src/window.ui b/src/window.ui
index ca69e1b..ccbe4c5 100644
--- a/src/window.ui
+++ b/src/window.ui
@@ -19,7 +19,7 @@
     <property name="content">
       <object class="AdwOverlaySplitView" id="split_view_overlay">
         <property name="show-sidebar" bind-source="show_sidebar_button" bind-property="active" bind-flags="sync-create"/>
-        <property name="sidebar-width-fraction">0.4</property>
+        <property name="sidebar-width-fraction">0.3</property>
         <property name="sidebar">
           <object class="AdwToolbarView">
             <child type="top">