diff --git a/src/app/helper.tsx b/src/app/helper.tsx
index fe60fb4..7a98ce2 100644
--- a/src/app/helper.tsx
+++ b/src/app/helper.tsx
@@ -114,7 +114,7 @@ export default function Home() {
                 .then((response) => {
                     console.log(`response`, response);
                     console.log(response.data);
-                    speak(response.data.choices[0].message.content);
+                    typeof speak !== 'undefined' && speak(response.data.choices[0].message.content);
                     setResponse(response.data.choices[0].message.content);
                 })
                 .catch((error) => {