diff --git a/demo.html b/demo.html
index 3a3c3a0..746bbd7 100644
--- a/demo.html
+++ b/demo.html
@@ -67,7 +67,7 @@ <h1>Hi there!</h1>
   <script src="https://unpkg.com/@wcj/markdown-to-html"></script>
   <script type="text/javascript">
     ;(() => {
-      const str = `<%- markdownString.replace(/\`/g, '\\\`').replace(/<\//g, '<\\/').replace(/$\{/g, '$\\{') %>`;
+      const str = `<%- markdownString.replace(/\`/g, '\\\`').replace(/<\//g, '<\\/').replace(/\$\{/g, '$\\{') %>`;
       const div = document.createElement('div');
       div.className = 'markdown-body';
       div.style = 'padding: 15px 0 25px 0;';