1 files changed, 2 insertions, 3 deletions
diff --git a/commit.c b/commit.c
index 26ce0770f6..a98de16e3d 100644
--- a/commit.c
+++ b/commit.c
@@ -57,10 +57,9 @@ struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref
 
 struct commit *lookup_commit(struct repository *r, const struct object_id *oid)
 {
-	struct object *obj = lookup_object(r, oid->hash);
+	struct object *obj = lookup_object(r, oid);
 	if (!obj)
-		return create_object(r, oid->hash,
-				     alloc_commit_node(r));
+		return create_object(r, oid, alloc_commit_node(r));
 	return object_as_type(r, obj, OBJ_COMMIT, 0);
 }