diff --git a/src/webkit/wkBrowser.ts b/src/webkit/wkBrowser.ts
index c1418d3f20..2846ed0f2e 100644
--- a/src/webkit/wkBrowser.ts
+++ b/src/webkit/wkBrowser.ts
@@ -27,7 +27,7 @@ import { Protocol } from './protocol';
 import { kPageProxyMessageReceived, PageProxyMessageReceivedPayload, WKConnection, WKSession } from './wkConnection';
 import { WKPage } from './wkPage';
 
-const DEFAULT_USER_AGENT = '"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15';
+const DEFAULT_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15';
 
 export class WKBrowser extends BrowserBase {
   private readonly _connection: WKConnection;