diff --git a/lib/dev.js b/lib/dev.js
index 6205cae828..79ed21a570 100644
--- a/lib/dev.js
+++ b/lib/dev.js
@@ -29,9 +29,10 @@ module.exports = async function dev (sourceDir, cliOptions = {}) {
 
   // watch add/remove of files
   const pagesWatcher = chokidar.watch([
-    path.join(sourceDir, '**/*.md'),
-    path.join(sourceDir, '.vuepress/components/**/*.vue')
+    '**/*.md',
+    '.vuepress/components/**/*.vue'
   ], {
+    cwd: sourceDir,
     ignored: '.vuepress/**/*.md',
     ignoreInitial: true
   })