diff --git a/cocos/base/ZipUtils.h b/cocos/base/ZipUtils.h
index 9b8a1f092e..6a785ece32 100644
--- a/cocos/base/ZipUtils.h
+++ b/cocos/base/ZipUtils.h
@@ -37,12 +37,11 @@ THE SOFTWARE.
 #include "platform/CCStdC.h"
 #endif
 
+namespace cocos2d
+{
 #ifndef _unz64_H
 typedef struct unz_file_info_s unz_file_info;
 #endif
-
-namespace cocos2d
-{
     /* XXX: pragma pack ??? */
     /** @struct CCZHeader
     */