diff --git a/test/launcher.spec.js b/test/launcher.spec.js
index 953fce52572e8..ff0d2aa986106 100644
--- a/test/launcher.spec.js
+++ b/test/launcher.spec.js
@@ -151,7 +151,8 @@ module.exports.addTests = function({testRunner, expect, defaultBrowserOptions, p
         // This might throw. See https://github.com/GoogleChrome/puppeteer/issues/2778
         await rmAsync(userDataDir).catch(e => {});
       });
-      it('userDataDir option should restore cookies', async({server}) => {
+      // This mysteriously fails on Windows on AppVeyor. See https://github.com/GoogleChrome/puppeteer/issues/4111
+      xit('userDataDir option should restore cookies', async({server}) => {
         const userDataDir = await mkdtempAsync(TMP_FOLDER);
         const options = Object.assign({userDataDir}, defaultBrowserOptions);
         const browser = await puppeteer.launch(options);