diff --git a/lib/prepare.js b/lib/prepare.js
index 2c29b737612acb29fba94a474868a19385d8cf2e..acd7e82f16ad0a2a927860cfe64353d26e1599ea 100644
--- a/lib/prepare.js
+++ b/lib/prepare.js
@@ -1,8 +1,9 @@
-const fs = require('fs-extra')
 const path = require('path')
+const fs = require('fs-extra')
 const globby = require('globby')
-const yaml = require('yaml-front-matter')
 const yamlParser = require('js-yaml')
+const yaml = require('yaml-front-matter')
+const createMarkdown = require('./markdown')
 const tempPath = path.resolve(__dirname, 'app/.temp')
 const { inferTitle, extractHeaders } = require('./util')
 
@@ -120,7 +121,8 @@ async function resolveOptions (sourceDir) {
     pagesData: null,
     themePath: null,
     notFoundPath: null,
-    useDefaultTheme
+    useDefaultTheme,
+    markdown: createMarkdown(siteConfig)
   }
 
   if (useDefaultTheme) {
@@ -171,7 +173,11 @@ async function resolveOptions (sourceDir) {
     if (title) {
       data.title = title
     }
-    const headers = extractHeaders(frontmatter.__content, ['h2', 'h3'])
+    const headers = extractHeaders(
+      frontmatter.__content,
+      ['h2', 'h3'],
+      options.markdown
+    )
     if (headers.length) {
       data.headers = headers
     }
diff --git a/lib/util/index.js b/lib/util/index.js
index d6ac59f3985ab4f0ba33723ff0f715d9789c233d..0545fe0fb273476b97486d8270bdfd94461c7684 100644
--- a/lib/util/index.js
+++ b/lib/util/index.js
@@ -45,9 +45,8 @@ exports.parseFrontmatter = content => {
 
 const LRU = require('lru-cache')
 const cache = LRU({ max: 1000 })
-const md = require('../markdown')()
 
-exports.extractHeaders = (content, include = []) => {
+exports.extractHeaders = (content, include = [], md) => {
   const key = content + include.join(',')
   const hit = cache.get(key)
   if (hit) {
diff --git a/lib/webpack/createBaseConfig.js b/lib/webpack/createBaseConfig.js
index 36d042fcc3a57193699fcdb2dbd80923ffb3c498..70cb6d5d60f6c0fdf0afd4d0e040094039a6905d 100644
--- a/lib/webpack/createBaseConfig.js
+++ b/lib/webpack/createBaseConfig.js
@@ -6,9 +6,9 @@ module.exports = function createBaseConfig ({
   outDir,
   publicPath,
   themePath,
-  notFoundPath
+  notFoundPath,
+  markdown
 }, { debug } = {}, isServer) {
-  const markdown = require('../markdown')(siteConfig)
   const Config = require('webpack-chain')
   const { VueLoaderPlugin } = require('vue-loader')
   const CSSExtractPlugin = require('mini-css-extract-plugin')
diff --git a/lib/webpack/markdownLoader.js b/lib/webpack/markdownLoader.js
index f73f7b74c13c7a90821167ec9b2146781741b060..a6f2c3d2b024d5ed387e8bf9b9d9de339085ee21 100644
--- a/lib/webpack/markdownLoader.js
+++ b/lib/webpack/markdownLoader.js
@@ -30,7 +30,7 @@ module.exports = function (src) {
 
   if (!isProd && !isServer) {
     const inferredTitle = inferTitle(frontmatter)
-    const headers = extractHeaders(content, ['h2', 'h3'])
+    const headers = extractHeaders(content, ['h2', 'h3'], markdown)
     delete frontmatter.__content
 
     // diff frontmatter and title, since they are not going to be part of the