diff --git a/browser/components/MarkdownPreview.js b/browser/components/MarkdownPreview.js
index 8140058b..db09bc60 100755
--- a/browser/components/MarkdownPreview.js
+++ b/browser/components/MarkdownPreview.js
@@ -1003,6 +1003,8 @@ export default class MarkdownPreview extends React.Component {
     const href = e.target.getAttribute('href')
     const linkHash = href.split('/').pop()
 
+    if (!href) return
+
     const regexNoteInternalLink = /main.html#(.+)/
     if (regexNoteInternalLink.test(linkHash)) {
       const targetId = mdurl.encode(linkHash.match(regexNoteInternalLink)[1])