diff --git a/packages/playwright-core/src/server/browserType.ts b/packages/playwright-core/src/server/browserType.ts
index 14884d8b63..dc1cf213ca 100644
--- a/packages/playwright-core/src/server/browserType.ts
+++ b/packages/playwright-core/src/server/browserType.ts
@@ -39,7 +39,7 @@ import type { CallMetadata } from './instrumentation';
 import { SdkObject } from './instrumentation';
 
 export const kNoXServerRunningError = 'Looks like you launched a headed browser without having a XServer running.\n' +
-  'Set either \'headless: false\' or use \'xvfb-run <your-playwright-app>\' before running Playwright.\n\n<3 Playwright Team';
+  'Set either \'headless: true\' or use \'xvfb-run <your-playwright-app>\' before running Playwright.\n\n<3 Playwright Team';
 
 export abstract class BrowserType extends SdkObject {
   private _name: BrowserName;