From 2b04cb4f1d17221683917095900ce4908c6426f8 Mon Sep 17 00:00:00 2001
From: tholst <2027794+tholst@users.noreply.github.com>
Date: Wed, 15 Jan 2020 04:51:29 +0100
Subject: [PATCH] Fix copy of "language-xxx" class from code tag to pre tag

---
 packages/mdx-loader/prism/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/mdx-loader/prism/index.js b/packages/mdx-loader/prism/index.js
index bb7540e..e38b5a8 100644
--- a/packages/mdx-loader/prism/index.js
+++ b/packages/mdx-loader/prism/index.js
@@ -46,7 +46,7 @@ module.exports = options => {
 
     let code = nodeToString(node);
     try {
-      node.properties.className = (parent.properties.className || [])
+      parent.properties.className = (parent.properties.className || [])
         .concat('language-' + normalizedLanguage);
 
       node.properties['data-language'] = normalizedLanguage