diff --git a/src/sessions.js b/src/sessions.js
index 9007fd3..ce19ad8 100644
--- a/src/sessions.js
+++ b/src/sessions.js
@@ -128,8 +128,8 @@ const setupSession = async (sessionId) => {
     const client = new Client(clientOptions)
     if (releaseBrowserLock) {
       // See https://github.com/puppeteer/puppeteer/issues/4860
-      const singletonLockPath = path.join(sessionFolderPath, `session-${sessionId}`, 'SingletonLock')
-      const singletonLockExists = await fs.promises.access(singletonLockPath).then(() => true).catch(() => false)
+      const singletonLockPath = path.resolve(path.join(sessionFolderPath, `session-${sessionId}`, 'SingletonLock'))
+      const singletonLockExists = await fs.promises.lstat(singletonLockPath).then(() => true).catch(() => false)
       if (singletonLockExists) {
         console.log('Browser lock file exists, removing ', sessionId)
         await fs.promises.unlink(singletonLockPath)