From e8a5559cd846b8bd77c1fce7a9256fd7f4b95804 Mon Sep 17 00:00:00 2001
From: Bereket Engida <86073083+Bekacru@users.noreply.github.com>
Date: Mon, 8 Dec 2025 16:05:57 -0800
Subject: [PATCH] fix(prisma): use findFirst instead of findMany for findOne
 (#6429)

---
 .../src/adapters/prisma-adapter/prisma-adapter.ts     | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/packages/better-auth/src/adapters/prisma-adapter/prisma-adapter.ts b/packages/better-auth/src/adapters/prisma-adapter/prisma-adapter.ts
index 9147e7f265..9b8a94a26f 100644
--- a/packages/better-auth/src/adapters/prisma-adapter/prisma-adapter.ts
+++ b/packages/better-auth/src/adapters/prisma-adapter/prisma-adapter.ts
@@ -272,13 +272,10 @@ export const prismaAdapter = (prisma: PrismaClient, config: PrismaConfig) => {
 
 					const selects = convertSelect(select, model, join);
 
-					let result = (
-						await db[model]!.findMany({
-							where: whereClause,
-							select: selects,
-							take: 1,
-						})
-					)[0];
+					let result = await db[model]!.findFirst({
+						where: whereClause,
+						select: selects,
+					});
 
 					// transform the resulting `include` items to use better-auth expected field names
 					if (join && result) {