diff --git a/testsuite/test94.html b/testsuite/test94.html
index f9fc03d..6c7a32b 100644
--- a/testsuite/test94.html
+++ b/testsuite/test94.html
@@ -70,7 +70,7 @@
if (!loaded) {
//fallback for ie<9
interval = setInterval(function() {
- if (!!Hyphenator) {
+ if (window.Hyphenator !== undefined) {
clearInterval(interval);
if(!loaded) {
init();