diff --git a/TinySTL/Construct.h b/TinySTL/Construct.h
index 2e487f7fcdf32f660dcdb2e09ae09ac333b41df9..1546f13c4f7e2f6c6de2142e2a3be76236db69b1 100644
--- a/TinySTL/Construct.h
+++ b/TinySTL/Construct.h
@@ -22,15 +22,15 @@ namespace TinySTL{
 
 	template<class ForwardIterator>
 	inline void _destroy(ForwardIterator first, ForwardIterator last, _false_type){
-		for (; , first != last; ++first){
+		for (; first != last; ++first){
 			destroy(&*first);
 		}
 	}
 
 	template<class ForwardIterator>
 	inline void destroy(ForwardIterator first, ForwardIterator last){
-		typedef typename _type_traits<T>::is_POD_type is_POD_type;
-		_destroy(first, last, is_POD_type);
+		typedef typename _type_traits<ForwardIterator>::is_POD_type is_POD_type;
+		_destroy(first, last, is_POD_type());
 	}
 
 }