diff --git a/browser/components/extensions/parent/ext-browser.js b/browser/components/extensions/parent/ext-browser.js
index 179816fa96ccf26604d52f71232296398dd9bdbd..c35814bae4eab774892af1f6df7465601d4f87ac 100644
--- a/browser/components/extensions/parent/ext-browser.js
+++ b/browser/components/extensions/parent/ext-browser.js
@@ -1218,6 +1218,10 @@ class TabManager extends TabManagerBase {
   }
 
   canAccessTab(nativeTab) {
+    if (nativeTab.hasAttribute("zen-empty-tab")) {
+      return false
+    }
+
     // Check private browsing access at browser window level.
     if (!this.extension.canAccessWindow(nativeTab.ownerGlobal)) {
       return false;