diff --git a/src/main-window.ui b/src/main-window.ui
index e83a9ef..6e10140 100644
--- a/src/main-window.ui
+++ b/src/main-window.ui
@@ -124,7 +124,7 @@
                     <!-- Sidebar toggle (only visible when collapsed) -->
                     <child type="start">
                       <object class="GtkToggleButton" id="sidebar_toggle_button">
-                        <property name="icon-name">dock-left-symbolic</property>
+                        <property name="icon-name">sidebar-show-symbolic</property>
                         <property name="tooltip-text">Show Sidebar</property>
                         <style>
                           <class name="flat"/>