diff --git a/routes/_utils/delegate.js b/routes/_utils/delegate.js
index 032aa46..892bab1 100644
--- a/routes/_utils/delegate.js
+++ b/routes/_utils/delegate.js
@@ -17,7 +17,7 @@ function onEvent (e) {
   if (type === 'click') {
     let selection = window.getSelection()
     let selectionStr = selection && selection.toString()
-    if (selectionStr && selection.toString().length && target.contains(selection.anchorNode)) {
+    if (selectionStr && selectionStr.length && target.contains(selection.anchorNode)) {
       return // ignore if the user is selecting text inside the clickable area
     }
   }