diff --git a/kayle/lib/kayle.ts b/kayle/lib/kayle.ts
index 0918493..4a23eb7 100644
--- a/kayle/lib/kayle.ts
+++ b/kayle/lib/kayle.ts
@@ -20,7 +20,7 @@ const audit = async (config: RunnerConfig): Promise<Audit> => {
         window.origin = runOptions.origin;
       }
       // @ts-ignore
-      return await window.__a11y.run(runOptions);
+      return await window?.__a11y?.run(runOptions);
     },
     {
       hideElements: config.hideElements,
diff --git a/kayle/package.json b/kayle/package.json
index 7a64c10..152325b 100644
--- a/kayle/package.json
+++ b/kayle/package.json
@@ -1,6 +1,6 @@
 {
   "name": "kayle",
-  "version": "0.8.47",
+  "version": "0.8.48",
   "description": "Extremely fast and accurate accessibility engine built for any headless tool like playwright or puppeteer.",
   "main": "./build/index.js",
   "keywords": [