diff --git a/packages/async-loader/async.js b/packages/async-loader/async.js
index 4319eb6e5..698cbe5fa 100644
--- a/packages/async-loader/async.js
+++ b/packages/async-loader/async.js
@@ -4,6 +4,7 @@ const PENDING = {};
 
 // Given a VNode, finds its previous element sibling
 function getPreviousSibling(vnode, inner) {
+	if (!vnode) return;
 	// in an element parent with no preceeding siblings means we're the first child
 	if (typeof vnode.type === 'string') return null;
 	const parent = vnode.__;