diff --git a/cocos2dx/CCScheduler.cpp b/cocos2dx/CCScheduler.cpp
index eb879549e8..5a21345ef3 100644
--- a/cocos2dx/CCScheduler.cpp
+++ b/cocos2dx/CCScheduler.cpp
@@ -475,7 +475,7 @@ void CCScheduler::scheduleUpdateForTarget(SelectorProtocol *pTarget, int nPriori
 	if (pHashElement)
 	{
 #if COCOS2D_DEBUG >= 1
-		CCAssert(pHashElement->entry->markedForDeletion);
+		CCAssert(pHashElement->entry->markedForDeletion,"");
 #endif
 		// TODO: check if priority has changed!