diff --git a/src/browser/base/content/ZenCustomizableUI.sys.mjs b/src/browser/base/content/ZenCustomizableUI.sys.mjs
index 71c439c12..50716e894 100644
--- a/src/browser/base/content/ZenCustomizableUI.sys.mjs
+++ b/src/browser/base/content/ZenCustomizableUI.sys.mjs
@@ -47,6 +47,7 @@ export var ZenCustomizableUI = new class {
         toolbarname="Zen Sidebar Top Buttons"
         context="toolbar-context-menu"
         flex="1"
+        skipintoolbarset="true"
         customizationtarget="zen-sidebar-top-buttons-customization-target"
         mode="icons">
         <hbox id="zen-sidebar-top-buttons-customization-target" class="customization-target" flex="1">
@@ -80,10 +81,6 @@ export var ZenCustomizableUI = new class {
     wrapper.id = 'zen-workspaces-button';
     window.document.getElementById('zen-sidebar-icons-wrapper').prepend(wrapper);
 
-    window.CustomizableUI.registerToolbarNode(
-      window.document.getElementById('zen-sidebar-top-buttons')
-    );
-
     const panelMenu = window.document.getElementById('PanelUI-menu-button');
     panelMenu.classList.add('zen-sidebar-action-button');
     panelMenu.setAttribute('cui-areatype', 'toolbar');
@@ -97,10 +94,6 @@ export var ZenCustomizableUI = new class {
       elem.setAttribute('removable', 'true');
     }
 
-    window.CustomizableUI.registerToolbarNode(
-      window.document.getElementById('zen-sidebar-icons-wrapper')
-    );
-
     this._moveWindowButtons(window);
   }
 
@@ -129,4 +122,13 @@ export var ZenCustomizableUI = new class {
       }
     }
   }
+
+  registerToolbarNodes(window) {
+    window.CustomizableUI.registerToolbarNode(
+      window.document.getElementById('zen-sidebar-top-buttons')
+    );
+    window.CustomizableUI.registerToolbarNode(
+      window.document.getElementById('zen-sidebar-icons-wrapper')
+    );
+  }
 };
diff --git a/src/browser/base/content/browser-init-js.patch b/src/browser/base/content/browser-init-js.patch
index 3b7de3467..1a9a99663 100644
--- a/src/browser/base/content/browser-init-js.patch
+++ b/src/browser/base/content/browser-init-js.patch
@@ -1,16 +1,25 @@
 diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js
-index bee5309c04775adff8652bfe6c54b2d466e821ac..e9741628dcc9eda3500f69441bae293548179e71 100644
+index bee5309c04775adff8652bfe6c54b2d466e821ac..cfeaf7cf2e98c35e76bdd5451f90b004a04d4474 100644
 --- a/browser/base/content/browser-init.js
 +++ b/browser/base/content/browser-init.js
-@@ -143,6 +143,7 @@ var gBrowserInit = {
+@@ -143,13 +143,15 @@ var gBrowserInit = {
      gNavToolbox.palette = document.getElementById(
        "BrowserToolbarPalette"
      ).content;
 +    ZenCustomizableUI.init(window);
      for (let area of CustomizableUI.areas) {
        let type = CustomizableUI.getAreaType(area);
-       if (type == CustomizableUI.TYPE_TOOLBAR) {
-@@ -239,6 +240,10 @@ var gBrowserInit = {
+-      if (type == CustomizableUI.TYPE_TOOLBAR) {
++      if (type == CustomizableUI.TYPE_TOOLBAR && !area.startsWith("zen-")) {
+         let node = document.getElementById(area);
+         CustomizableUI.registerToolbarNode(node);
+       }
+     }
++    ZenCustomizableUI.registerToolbarNodes(window);
+     BrowserSearch.initPlaceHolder();
+ 
+     // Hack to ensure that the various initial pages favicon is loaded
+@@ -239,6 +241,10 @@ var gBrowserInit = {
      gPrivateBrowsingUI.init();
      BrowserSearch.init();
      BrowserPageActions.init();
diff --git a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
index 600b5c952..feba392ff 100644
--- a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
+++ b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizableUI.sys.mjs b/browser/components/customizableui/CustomizableUI.sys.mjs
-index 289c3df7dcd6fa6b35681ce61c1e920b6a2651d7..aa7d86770cce41a720e92f63392a763b16381f55 100644
+index 289c3df7dcd6fa6b35681ce61c1e920b6a2651d7..a31dc07c8b756e09f43cd5f81bad8d4a3c5f7fce 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -13,6 +13,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -19,16 +19,7 @@ index 289c3df7dcd6fa6b35681ce61c1e920b6a2651d7..aa7d86770cce41a720e92f63392a763b
  
  const kSpecialWidgetPfx = "customizableui-special-";
  
-@@ -222,6 +223,8 @@ var CustomizableUIInternal = {
-     this._updateForNewProtonVersion();
-     this._markObsoleteBuiltinButtonsSeen();
- 
-+    lazy.ZenCustomizableUI.startup(this);
-+
-     this.registerArea(
-       CustomizableUI.AREA_FIXED_OVERFLOW_PANEL,
-       {
-@@ -253,10 +256,9 @@ var CustomizableUIInternal = {
+@@ -253,13 +254,14 @@ var CustomizableUIInternal = {
        "spring",
        "urlbar-container",
        "spring",
@@ -40,6 +31,11 @@ index 289c3df7dcd6fa6b35681ce61c1e920b6a2651d7..aa7d86770cce41a720e92f63392a763b
        lazy.resetPBMToolbarButtonEnabled ? "reset-pbm-toolbar-button" : null,
      ].filter(name => name);
  
++    lazy.ZenCustomizableUI.startup(this);
++
+     this.registerArea(
+       CustomizableUI.AREA_NAVBAR,
+       {
 @@ -288,10 +290,10 @@ var CustomizableUIInternal = {
        {
          type: CustomizableUI.TYPE_TOOLBAR,
@@ -62,7 +58,17 @@ index 289c3df7dcd6fa6b35681ce61c1e920b6a2651d7..aa7d86770cce41a720e92f63392a763b
      ]);
      if (AppConstants.platform != "macosx") {
        toolbars.add(CustomizableUI.AREA_MENUBAR);
-@@ -3289,6 +3292,9 @@ var CustomizableUIInternal = {
+@@ -1033,6 +1036,9 @@ var CustomizableUIInternal = {
+         placements = gPlacements.get(area);
+       }
+ 
++      // remove "zen-sidebar-top-buttons" from the placements
++      placements = placements.filter(p => p != "zen-sidebar-top-buttons");
++
+       // For toolbars that need it, mark as dirty.
+       let defaultPlacements = areaProperties.get("defaultPlacements");
+       if (
+@@ -3289,6 +3295,9 @@ var CustomizableUIInternal = {
          gSeenWidgets.add(widgetId);
        }
      }