diff --git a/tests/core/creators/manual/detached.html b/tests/core/creators/manual/detached.html
index 453aadcba8f..dcfc5066fd4 100644
--- a/tests/core/creators/manual/detached.html
+++ b/tests/core/creators/manual/detached.html
@@ -46,7 +46,7 @@
 
 	CKEDITOR.replace( editorElement2, {
 		delayDetached: true,
-		delay: 50,
+		delayDetachedFrequency: 50,
 		registerCallback:RegisterCallback,
 		on: {
 			instanceReady: function(evt) {