diff --git a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
index f3451e82f..5ad20a2b4 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 db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac7662667f2c 100644
+index db617c65b89643015d91b0f6a20eab7d7a1b598f..53598363bfbc2c5de4c6b4de712d22d89ee6ce1d 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -14,6 +14,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -186,14 +186,15 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
      });
  
      lazy.log.debug(
-@@ -7933,7 +7934,36 @@ class OverflowableToolbar {
+@@ -7933,7 +7934,37 @@ class OverflowableToolbar {
        Math.max(targetWidth, targetChildrenWidth)
      );
      totalAvailWidth = Math.ceil(totalAvailWidth);
 -    let isOverflowing = targetContentWidth > totalAvailWidth;
 +    if (this.#target.id == 'nav-bar-customization-target' && 
 +        win.gZenVerticalTabsManager._hasSetSingleToolbar &&
-+        Services.prefs.getBoolPref("zen.view.overflow-webext-toolbar", true)) {
++        Services.prefs.getBoolPref("zen.view.overflow-webext-toolbar", true) &&
++       !win.gURLBar.hasAttribute("breakout-extend")) {
 +      const availSelectors = ":is(#page-action-buttons, #zen-copy-url-button, .unified-extensions-item)";
 +      const width = [
 +        ...win.gURLBar._inputContainer.querySelectorAll(availSelectors),
@@ -224,7 +225,7 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
      return { isOverflowing, targetContentWidth, totalAvailWidth };
    }
  
-@@ -7994,7 +8024,11 @@ class OverflowableToolbar {
+@@ -7994,7 +8025,11 @@ class OverflowableToolbar {
              return;
            }
          }
@@ -237,7 +238,7 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
            lazy.log.debug(
              `Need ${minSize} but width is ${totalAvailWidth} so bailing`
            );
-@@ -8027,7 +8061,7 @@ class OverflowableToolbar {
+@@ -8027,7 +8062,7 @@ class OverflowableToolbar {
          }
        }
        if (!inserted) {
@@ -246,7 +247,7 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
        }
        child.removeAttribute("cui-anchorid");
        child.removeAttribute("overflowedItem");
-@@ -8153,6 +8187,9 @@ class OverflowableToolbar {
+@@ -8153,6 +8188,9 @@ class OverflowableToolbar {
     *   if no such list exists.
     */
    get #webExtList() {
@@ -256,7 +257,7 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
      if (!this.#webExtListRef) {
        let targetID = this.#toolbar.getAttribute("addon-webext-overflowtarget");
        if (!targetID) {
-@@ -8164,6 +8201,9 @@ class OverflowableToolbar {
+@@ -8164,6 +8202,9 @@ class OverflowableToolbar {
        let win = this.#toolbar.ownerGlobal;
        let { panel } = win.gUnifiedExtensions;
        this.#webExtListRef = panel.querySelector(`#${targetID}`);
@@ -266,7 +267,7 @@ index db617c65b89643015d91b0f6a20eab7d7a1b598f..896de41119f787594c30055e54eeac76
      }
      return this.#webExtListRef;
    }
-@@ -8372,7 +8412,7 @@ class OverflowableToolbar {
+@@ -8372,7 +8413,7 @@ class OverflowableToolbar {
          break;
        }
        case "mousedown": {