diff --git a/tests/mithril-tests.js b/tests/mithril-tests.js
index 1a61a1b6..c4fe3127 100644
--- a/tests/mithril-tests.js
+++ b/tests/mithril-tests.js
@@ -1578,4 +1578,4 @@ function testMithril(mock) {
 //mocks
 testMithril(mock.window)
 
-test.print(console.log)
+test.print(function(value) {console.log(value)})