1 files changed, 1 insertions, 1 deletions

diff --git a/hex.c b/hex.c
index eab7b626ee..28b44118cb 100644
--- a/hex.c
+++ b/hex.c
@@ -85,7 +85,7 @@ char *oid_to_hex_r(char *buffer, const struct object_id *oid)
 char *sha1_to_hex(const unsigned char *sha1)
 {
 	static int bufno;
-	static char hexbuffer[4][GIT_SHA1_HEXSZ + 1];
+	static char hexbuffer[4][GIT_MAX_HEXSZ + 1];
 	bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
 	return sha1_to_hex_r(hexbuffer[bufno], sha1);
 }