diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_filter_lzop.c b/Utilities/cmlibarchive/libarchive/archive_read_support_filter_lzop.c
index 713af31e9..7958fa50a 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_support_filter_lzop.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_support_filter_lzop.c
@@ -50,7 +50,7 @@ __FBSDID("$FreeBSD$");
 #include <lzo/lzo1x.h>
 #endif
 #ifdef HAVE_ZLIB_H
-#include <zlib.h> /* for crc32 and adler32 */
+#include <cm_zlib.h> /* for crc32 and adler32 */
 #endif
 
 #include "archive.h"
diff --git a/Utilities/cmlibarchive/libarchive/archive_write_disk_posix.c b/Utilities/cmlibarchive/libarchive/archive_write_disk_posix.c
index bbd50a637..b69c8739d 100644
--- a/Utilities/cmlibarchive/libarchive/archive_write_disk_posix.c
+++ b/Utilities/cmlibarchive/libarchive/archive_write_disk_posix.c
@@ -119,7 +119,7 @@ __FBSDID("$FreeBSD$");
 #endif
 
 #ifdef HAVE_ZLIB_H
-#include <zlib.h>
+#include <cm_zlib.h>
 #endif
 
 /* TODO: Support Mac OS 'quarantine' feature.  This is really just a