1 files changed, 6 insertions, 3 deletions

diff --git a/hex.c b/hex.c
index da51e64929..e7af18fe55 100644
--- a/hex.c
+++ b/hex.c
@@ -69,7 +69,10 @@ int get_sha1_hex(const char *hex, unsigned char *sha1)
 int get_oid_hex_algop(const char *hex, struct object_id *oid,
 		      const struct git_hash_algo *algop)
 {
-	return get_hash_hex_algop(hex, oid->hash, algop);
+	int ret = get_hash_hex_algop(hex, oid->hash, algop);
+	if (!ret)
+		oid_set_algo(oid, algop);
+	return ret;
 }
 
 /*
@@ -80,7 +83,7 @@ int get_oid_hex_any(const char *hex, struct object_id *oid)
 {
 	int i;
 	for (i = GIT_HASH_NALGOS - 1; i > 0; i--) {
-		if (!get_hash_hex_algop(hex, oid->hash, &hash_algos[i]))
+		if (!get_oid_hex_algop(hex, oid, &hash_algos[i]))
 			return i;
 	}
 	return GIT_HASH_UNKNOWN;
@@ -95,7 +98,7 @@ int parse_oid_hex_algop(const char *hex, struct object_id *oid,
 			const char **end,
 			const struct git_hash_algo *algop)
 {
-	int ret = get_hash_hex_algop(hex, oid->hash, algop);
+	int ret = get_oid_hex_algop(hex, oid, algop);
 	if (!ret)
 		*end = hex + algop->hexsz;
 	return ret;