diff --git a/cosmoz-data-nav.js b/cosmoz-data-nav.js
index 1e7a779..d3c504a 100644
--- a/cosmoz-data-nav.js
+++ b/cosmoz-data-nav.js
@@ -683,7 +683,7 @@
 			if (this.animating) {
 				return;
 			}
-			const path = Polymer.dom(event).path,
+			const path = event.composedPath(),
 				attr = this.selectAttribute,
 				selectEl = path.find(e => e && e.hasAttribute && e.hasAttribute(attr));