diff --git a/client/scripts/views/components/markdown_formatted_text.ts b/client/scripts/views/components/markdown_formatted_text.ts
index 939cbe249e9..0f8850f9bfb 100644
--- a/client/scripts/views/components/markdown_formatted_text.ts
+++ b/client/scripts/views/components/markdown_formatted_text.ts
@@ -10,7 +10,7 @@ const marked = require('marked');
 
 const renderer = new marked.Renderer();
 renderer.link = (href, title, text) => {
-  return `<a ${!href.contains('://commonwealth.im/') && 'target="_blank"'} href="${href}">${text}</a>`;
+  return `<a ${href && href.indexOf('commonwealth.im/') >= 0 && 'target="_blank"'} href="${href}">${text}</a>`;
 };
 
 marked.setOptions({