diff --git a/browser/components/customizableui/CustomizeMode.sys.mjs b/browser/components/customizableui/CustomizeMode.sys.mjs
index e72ff7eab14f66ff4454850930a1d7266b3acefa..1a5d9c63b8942e8c20e9f91b82b5b11647b12ecc 100644
--- a/browser/components/customizableui/CustomizeMode.sys.mjs
+++ b/browser/components/customizableui/CustomizeMode.sys.mjs
@@ -503,7 +503,7 @@ export class CustomizeMode {
       this.#transitioning = true;
 
       let customizer = document.getElementById("customization-container");
-      let browser = document.getElementById("browser");
+      let browser = document.getElementById("tabbrowser-tabbox"); // ZEN: This fixes customizing mode!!! Dont remove it
       browser.hidden = true;
       customizer.hidden = false;
 
@@ -640,7 +640,7 @@ export class CustomizeMode {
     }
 
     let customizer = document.getElementById("customization-container");
-    let browser = document.getElementById("browser");
+    let browser = document.getElementById("tabbrowser-tabbox"); // ZEN: This fixes customizing mode!!! Dont remove it
     customizer.hidden = true;
     browser.hidden = false;
 
@@ -1176,6 +1176,7 @@ export class CustomizeMode {
     return (
       aNode.localName == "toolbarbutton" ||
       aNode.localName == "toolbaritem" ||
+      aNode.localName == "zen-workspace-icons" ||
       aNode.localName == "toolbarseparator" ||
       aNode.localName == "toolbarspring" ||
       aNode.localName == "toolbarspacer"
