diff --git a/src/lib/auth.ts b/src/lib/auth.ts
index 1a79017..4ef1de7 100644
--- a/src/lib/auth.ts
+++ b/src/lib/auth.ts
@@ -5,6 +5,13 @@ import { db } from './db';
 export const auth = betterAuth({
   database: prismaAdapter(db, {
     provider: 'postgresql',
+    // Map our custom table names to Better Auth models
+    schema: {
+      user: 'auth_user',
+      session: 'auth_session',
+      account: 'auth_account',
+      verification: 'auth_verification',
+    },
   }),
   emailAndPassword: {
     enabled: true,