diff --git a/SSZipArchive.h b/SSZipArchive.h
index 6c21ad2..7435fb1 100644
--- a/SSZipArchive.h
+++ b/SSZipArchive.h
@@ -6,6 +6,9 @@
 //  Copyright (c) Sam Soffes 2010-2013. All rights reserved.
 //
 
+#ifndef _SSZIPARCHIVE_H
+#define _SSZIPARCHIVE_H
+
 #import <Foundation/Foundation.h>
 #include "minizip/unzip.h"
 
@@ -43,3 +46,5 @@
 - (void)zipArchiveDidUnzipFileAtIndex:(NSInteger)fileIndex totalFiles:(NSInteger)totalFiles archivePath:(NSString *)archivePath fileInfo:(unz_file_info)fileInfo;
 
 @end
+
+#endif /* _SSZIPARCHIVE_H */
diff --git a/SSZipArchive.podspec b/SSZipArchive.podspec
index b13a5fe..3cc7a81 100644
--- a/SSZipArchive.podspec
+++ b/SSZipArchive.podspec
@@ -10,6 +10,6 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '4.0'
   s.osx.deployment_target = '10.6'
   s.source_files = 'SSZipArchive.{h,m}', 'minizip/*.{h,c}'
-  s.preserve_paths = 'minizip'
+  s.header_dir = 'minizip'
   s.library      = 'z'
-end
+end
\ No newline at end of file