diff --git a/backend/src/typeorm/repository/LoginEmailOptIn.ts b/backend/src/typeorm/repository/LoginEmailOptIn.ts
new file mode 100644
index 000000000..cb486d922
--- /dev/null
+++ b/backend/src/typeorm/repository/LoginEmailOptIn.ts
@@ -0,0 +1,5 @@
+import { EntityRepository, Repository } from 'typeorm'
+import { LoginEmailOptIn } from '@entity/LoginEmailOptIn'
+
+@EntityRepository(LoginEmailOptIn)
+export class LoginEmailOptInRepository extends Repository<LoginEmailOptIn> {}
diff --git a/database/entity/0003-login_server_tables/LoginEmailOptIn.ts b/database/entity/0003-login_server_tables/LoginEmailOptIn.ts
index e07411dfb..2ec62927f 100644
--- a/database/entity/0003-login_server_tables/LoginEmailOptIn.ts
+++ b/database/entity/0003-login_server_tables/LoginEmailOptIn.ts
@@ -6,10 +6,10 @@ export class LoginEmailOptIn extends BaseEntity {
   @PrimaryGeneratedColumn('increment', { unsigned: true })
   id: number
 
-  @Column()
+  @Column({ name: 'user_id' })
   userId: number
 
-  @Column({ name: 'verification_code', type: 'bigint', unsigned: true })
+  @Column({ name: 'verification_code', type: 'bigint', unsigned: true, unique: true })
   verificationCode: BigInt
 
   @Column({ name: 'email_opt_in_type_id' })
diff --git a/database/entity/index.ts b/database/entity/index.ts
index da6761da2..ff1d34d9e 100644
--- a/database/entity/index.ts
+++ b/database/entity/index.ts
@@ -1,4 +1,5 @@
 import { Balance } from './Balance'
+import { LoginEmailOptIn } from './LoginEmailOptIn'
 import { LoginUser } from './LoginUser'
 import { LoginUserBackup } from './LoginUserBackup'
 import { Migration } from './Migration'
@@ -13,6 +14,7 @@ export const entities = [
   Balance,
   LoginUser,
   LoginUserBackup,
+  LoginEmailOptIn,
   Migration,
   Transaction,
   TransactionCreation,