diff --git a/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js b/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
index 9785408229..2e99ba4c6c 100644
--- a/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
+++ b/packages/@vuepress/core/lib/prepare/ClientComputedMixin.js
@@ -43,6 +43,10 @@ module.exports = siteData => {
       return this.$site.themeConfig
     }
 
+    get $frontmatter () {
+      return this.$page.frontmatter
+    }
+
     get $localeConfig () {
       const { locales = {}} = this.$site
       let targetLang