diff --git a/addon/lint/lint.js b/addon/lint/lint.js
index <HASH>..<HASH> 100644
--- a/addon/lint/lint.js
+++ b/addon/lint/lint.js
@@ -46,6 +46,7 @@
     }
     var poll = setInterval(function() {
       if (tooltip) for (var n = node;; n = n.parentNode) {
+        if (n && n.nodeType == 11) n = n.root;
         if (n == document.body) return;
         if (!n) { hide(); break; }
       }
[lint addon] When checking whether node is still in document, account for shadow dom

Issue #<I>