diff --git a/src/zen/sessionstore/ZenWindowSync.sys.mjs b/src/zen/sessionstore/ZenWindowSync.sys.mjs
index 3a8eab4c6..bc90b80c2 100644
--- a/src/zen/sessionstore/ZenWindowSync.sys.mjs
+++ b/src/zen/sessionstore/ZenWindowSync.sys.mjs
@@ -1353,6 +1353,9 @@ class nsZenWindowSync {
         _forZenEmptyTab: tab.hasAttribute("zen-empty-tab"),
       });
       newTab.id = tab.id;
+      if (!tab.hasAttribute("pending")) {
+        newTab.removeAttribute("pending");
+      }
       this.#syncItemWithOriginal(
         tab,
         newTab,