diff --git a/site/examples/links.js b/site/examples/links.js
index 6e26b5e48..b4a2c905f 100644
--- a/site/examples/links.js
+++ b/site/examples/links.js
@@ -86,7 +86,7 @@ const wrapLink = (editor, url) => {
   }
 
   const { selection } = editor
-  const isCollapsed = Range.isCollapsed(selection)
+  const isCollapsed = selection && Range.isCollapsed(selection)
   const link = {
     type: 'link',
     url,