From c9e0ba9f988c3f1beb415f8a34616d17f7258209 Mon Sep 17 00:00:00 2001
From: Kamran Ahmed <kamranahmed.se@gmail.com>
Date: Sun, 5 Dec 2021 02:04:20 +0100
Subject: [PATCH] Fix broken build

---
 components/md-renderer/mdx-components/heading.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/md-renderer/mdx-components/heading.tsx b/components/md-renderer/mdx-components/heading.tsx
index 53e25bfcc..1bda10f03 100644
--- a/components/md-renderer/mdx-components/heading.tsx
+++ b/components/md-renderer/mdx-components/heading.tsx
@@ -5,7 +5,7 @@ import LinkIcon from 'components/icons/link.svg';
 const linkify = (Component: React.FunctionComponent<any>) => {
   return function EnrichedHeading(props: { children: string }): React.ReactNode {
     const text = props.children;
-    const id = text.toLowerCase && text
+    const id = text?.toLowerCase && text
       .toLowerCase()
       .replace(/[^\x00-\x7F]/g, '')
       .replace(/\s+/g, '-')