diff --git a/builtin/commit.c b/builtin/commit.c
index a1c1d16..b09320f 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -473,7 +473,7 @@ static const char *prepare_index(const char **argv, const char *prefix,
 				       COMMIT_LOCK | SKIP_IF_UNCHANGED))
 			die(_("unable to write new index file"));
 		commit_style = COMMIT_AS_IS;
-		ret = get_index_file();
+		ret = repo_get_index_file(the_repository);
 		goto out;
 	}
 
@@ -1874,8 +1874,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
 	repo_rerere(the_repository, 0);
 	run_auto_maintenance(quiet);
-	run_commit_hook(use_editor, get_index_file(), NULL, "post-commit",
-			NULL);
+	run_commit_hook(use_editor, repo_get_index_file(the_repository),
+			NULL, "post-commit", NULL);
 	if (amend && !no_post_rewrite) {
 		commit_post_rewrite(the_repository, current_head, &oid);
 	}