diff --git a/src/browser/base/content/ZenUIManager.mjs b/src/browser/base/content/ZenUIManager.mjs
index 750e516ce..bf8ac23ae 100644
--- a/src/browser/base/content/ZenUIManager.mjs
+++ b/src/browser/base/content/ZenUIManager.mjs
@@ -15,5 +15,10 @@ var gZenUIManager = {
     return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
       (+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
     );
-  },  
+  },
+  
+  toogleBookmarksSidebar() {
+    const button = document.getElementById('zen-bookmark-button');
+    SidebarController.toggle('viewBookmarksSidebar', button);
+  },
 };
diff --git a/src/browser/base/content/zen-sidebar-icons.inc.xhtml b/src/browser/base/content/zen-sidebar-icons.inc.xhtml
index d9e0916b4..2dae62110 100644
--- a/src/browser/base/content/zen-sidebar-icons.inc.xhtml
+++ b/src/browser/base/content/zen-sidebar-icons.inc.xhtml
@@ -4,7 +4,7 @@
     <html:div></html:div>
   </toolbarbutton>
   <toolbarbutton class="toolbarbutton-1 zen-sidebar-action-button" id="zen-sidepanel-button" data-l10n-id="sidebar-zen-sidepanel" onclick="gZenBrowserManagerSidebar.toggle();"></toolbarbutton>
-  <toolbarbutton class="toolbarbutton-1 zen-sidebar-action-button" id="zen-bookmark-button" data-l10n-id="sidebar-menu-bookmarks" onclick="SidebarController.show('viewBookmarksSidebar');"></toolbarbutton>
+  <toolbarbutton class="toolbarbutton-1 zen-sidebar-action-button" id="zen-bookmark-button" data-l10n-id="sidebar-menu-bookmarks" onclick="gZenUIManager.toogleBookmarksSidebar();"></toolbarbutton>
   <toolbarbutton class="toolbarbutton-1 zen-sidebar-action-button" id="zen-history-button" data-l10n-id="sidebar-menu-history" oncommand="PanelUI.showSubView('PanelUI-history', this);"></toolbarbutton>
   <toolbarbutton class="toolbarbutton-1 zen-sidebar-action-button" id="zen-preferences-button" data-l10n-id="toolbar-settings-button" onclick="event.target.ownerGlobal.openPreferences(undefined);"></toolbarbutton>
 </toolbar>
\ No newline at end of file