1 files changed, 3 insertions, 2 deletions
diff --git a/diff.h b/diff.h
index 8d46a67099..e0b5034603 100644
--- a/diff.h
+++ b/diff.h
@@ -213,8 +213,9 @@ extern struct combine_diff_path *diff_tree_paths(
 	struct combine_diff_path *p, const unsigned char *sha1,
 	const unsigned char **parent_sha1, int nparent,
 	struct strbuf *base, struct diff_options *opt);
-extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
-			  const char *base, struct diff_options *opt);
+extern int diff_tree_oid(const struct object_id *old_oid,
+			 const struct object_id *new_oid,
+			 const char *base, struct diff_options *opt);
 extern int diff_root_tree_oid(const struct object_id *new_oid, const char *base,
 			      struct diff_options *opt);