diff --git a/tests/mithril-tests.js b/tests/mithril-tests.js
index 64124611..eea18afb 100644
--- a/tests/mithril-tests.js
+++ b/tests/mithril-tests.js
@@ -138,7 +138,7 @@ function testMithril(mock) {
 	test(function() {
 		var root = mock.document.createElement("div")
 		m.render(root, m("ul", [m("li", [m("a")])]))
-		m.render(root, m("ul", [{fromCache: true}]))
+		m.render(root, m("ul", [{subtree: "retain"}]))
 		return root.childNodes[0].childNodes[0].childNodes[0].nodeName === "A"
 	})