diff --git a/background.js b/background.js
index 24d8d68..9434f54 100644
--- a/background.js
+++ b/background.js
@@ -316,6 +316,9 @@ async function onCommand(command) {
 }
 
 async function onBeforeNavigate(details) {
+  if (details.frameId > 0) {
+    return;
+  }
   if (typeof details.url !== "string") {
     return;
   }
@@ -418,6 +421,7 @@ async function handlePermissionChange() {
   browser.tabs.onUpdated.addListener((tabId, changeInfo, tabInfo) => {
     if (changeInfo.url) {
       onBeforeNavigate({
+        frameId: 0,
         tabId,
         url: changeInfo.url,
       });
diff --git a/manifest.json b/manifest.json
index 354781b..bf88deb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -36,5 +36,5 @@
     "tabs"
   ],
   "optional_permissions": ["bookmarks", "history"],
-  "version": "1.1.34"
+  "version": "1.1.35"
 }