} else if (our) {
struct commit *c = lookup_commit_reference(our->old_oid.hash);
/* --branch specifies a non-branch (i.e. tags), detach HEAD */
- update_ref(msg, "HEAD", c->object.sha1,
+ update_ref(msg, "HEAD", c->object.oid.hash,
NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
} else if (remote) {
/*