diff --git a/ext/bg/js/search-frontend.js b/ext/bg/js/search-frontend.js
index f55f06e6..b21dac17 100644
--- a/ext/bg/js/search-frontend.js
+++ b/ext/bg/js/search-frontend.js
@@ -25,6 +25,8 @@ async function searchFrontendSetup() {
     const options = await apiOptionsGet(optionsContext);
     if (!options.scanning.enableOnSearchPage) { return; }
 
+    window.frontendInitializationData = {depth: 1, proxy: false};
+
     const scriptSrcs = [
         '/fg/js/frontend-api-receiver.js',
         '/fg/js/popup.js',
diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js
index 3ddeae78..7ea737d7 100644
--- a/ext/fg/js/frontend.js
+++ b/ext/fg/js/frontend.js
@@ -49,11 +49,10 @@ class Frontend {
     }
 
     static create() {
-        const initializationData = window.frontendInitializationData;
-        const isNested = (initializationData !== null && typeof initializationData === 'object');
-        const {id, depth, parentFrameId, ignoreNodes, url} = isNested ? initializationData : {};
+        const data = window.frontendInitializationData || {};
+        const {id, depth=0, parentFrameId, ignoreNodes, url, proxy=false} = data;
 
-        const popup = isNested ? new PopupProxy(depth + 1, id, parentFrameId, url) : PopupProxyHost.instance.createPopup(null);
+        const popup = proxy ? new PopupProxy(depth + 1, id, parentFrameId, url) : PopupProxyHost.instance.createPopup(null, depth);
         const frontend = new Frontend(popup, ignoreNodes);
         frontend.prepare();
         return frontend;
diff --git a/ext/fg/js/popup-nested.js b/ext/fg/js/popup-nested.js
index f7309466..cec95aea 100644
--- a/ext/fg/js/popup-nested.js
+++ b/ext/fg/js/popup-nested.js
@@ -35,7 +35,7 @@ async function popupNestedInitialize(id, depth, parentFrameId, url) {
 
     const ignoreNodes = options.scanning.enableOnPopupExpressions ? [] : [ '.expression', '.expression *' ];
 
-    window.frontendInitializationData = {id, depth, parentFrameId, ignoreNodes, url};
+    window.frontendInitializationData = {id, depth, parentFrameId, ignoreNodes, url, proxy: true};
 
     const scriptSrcs = [
         '/fg/js/frontend-api-sender.js',
diff --git a/ext/fg/js/popup-proxy-host.js b/ext/fg/js/popup-proxy-host.js
index bb323f64..f97d44ac 100644
--- a/ext/fg/js/popup-proxy-host.js
+++ b/ext/fg/js/popup-proxy-host.js
@@ -50,10 +50,12 @@ class PopupProxyHost {
         });
     }
 
-    createPopup(parentId) {
+    createPopup(parentId, depth) {
         const parent = (typeof parentId === 'string' && this.popups.hasOwnProperty(parentId) ? this.popups[parentId] : null);
-        const depth = (parent !== null ? parent.depth + 1 : 0);
         const id = `${this.nextId}`;
+        if (parent !== null) {
+            depth = parent.depth + 1;
+        }
         ++this.nextId;
         const popup = new Popup(id, depth, this.frameIdPromise);
         if (parent !== null) {
@@ -65,7 +67,7 @@ class PopupProxyHost {
     }
 
     async createNestedPopup(parentId) {
-        return this.createPopup(parentId).id;
+        return this.createPopup(parentId, 0).id;
     }
 
     getPopup(id) {