1 files changed, 2 insertions, 2 deletions
diff --git a/commit.c b/commit.c
index 73c78c2b80..ec41ba5e09 100644
--- a/commit.c
+++ b/commit.c
@@ -216,9 +216,9 @@ int for_each_commit_graft(each_commit_graft_fn fn, void *cb_data)
 	return ret;
 }
 
-int unregister_shallow(const unsigned char *sha1)
+int unregister_shallow(const struct object_id *oid)
 {
-	int pos = commit_graft_pos(sha1);
+	int pos = commit_graft_pos(oid->hash);
 	if (pos < 0)
 		return -1;
 	if (pos + 1 < commit_graft_nr)