From e594082df4dd9410e7fbb667db80b0763001bee3 Mon Sep 17 00:00:00 2001
From: Bereket Engida <bekacru@gmail.com>
Date: Sat, 5 Oct 2024 20:37:39 +0300
Subject: [PATCH] fix: type error

---
 packages/better-auth/src/plugins/username/index.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/better-auth/src/plugins/username/index.ts b/packages/better-auth/src/plugins/username/index.ts
index 5b5985a49f..f09e17d082 100644
--- a/packages/better-auth/src/plugins/username/index.ts
+++ b/packages/better-auth/src/plugins/username/index.ts
@@ -123,17 +123,17 @@ export const username = () => {
 						//@ts-expect-error
 						_flag: undefined,
 					});
-					if (!res) {
+					if (res.error) {
 						return ctx.json(null, {
 							status: 400,
 							body: {
-								message: "Sign up failed",
+								message: res.error,
 								status: 400,
 							},
 						});
 					}
 					const updated = await ctx.context.internalAdapter.updateUserByEmail(
-						res.user.email,
+						res.user?.email,
 						{
 							username: ctx.body.username,
 						},