diff --git a/exfat/libexfat/utils.c b/exfat/libexfat/utils.c
index 499833b..ef87692 100644
--- a/exfat/libexfat/utils.c
+++ b/exfat/libexfat/utils.c
@@ -2,11 +2,12 @@
 	utils.c (04.09.09)
 	exFAT file system implementation library.
 
+	Free exFAT implementation.
 	Copyright (C) 2010-2013  Andrew Nayenko
 
-	This program is free software: you can redistribute it and/or modify
+	This program is free software; you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
+	the Free Software Foundation, either version 2 of the License, or
 	(at your option) any later version.
 
 	This program is distributed in the hope that it will be useful,
@@ -14,8 +15,9 @@
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 	GNU General Public License for more details.
 
-	You should have received a copy of the GNU General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+	You should have received a copy of the GNU General Public License along
+	with this program; if not, write to the Free Software Foundation, Inc.,
+	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "exfat.h"
@@ -83,7 +85,8 @@
 	{
 		struct exfat_entry_name name_entry = {EXFAT_ENTRY_FILE_NAME, 0};
 		memcpy(name_entry.name, name + i * EXFAT_ENAME_MAX,
-				EXFAT_ENAME_MAX * sizeof(le16_t));
+				MIN(EXFAT_ENAME_MAX, EXFAT_NAME_MAX - i * EXFAT_ENAME_MAX) *
+				sizeof(le16_t));
 		checksum = exfat_add_checksum(&name_entry, checksum);
 	}
 	return cpu_to_le16(checksum);