diff --git a/package.json b/package.json
index 87714930..a05eb0a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Surfingkeys",
-  "version": "1.17.3",
+  "version": "1.17.4",
   "description": "Map your keys for web surfing, expand your browser with javascript and keyboard.",
   "main": "background.js",
   "directories": {
diff --git a/src/content_scripts/front.js b/src/content_scripts/front.js
index c37aef4d..c056adfc 100644
--- a/src/content_scripts/front.js
+++ b/src/content_scripts/front.js
@@ -55,7 +55,8 @@ function createFront(insert, normal, hints, visual, browser) {
         } else {
             if (!frontendPromise) {
                 // no need to create frontend iframe if the action is to hide key stroke
-                if (args.action === "hideKeystroke") {
+                // and frontend UI must be created after document.body is ready(#2132)
+                if (args.action === "hideKeystroke" || document.body === null) {
                     return;
                 }
                 newFrontEnd();