diff --git a/backend/src/graphql/model/TransactionLink.ts b/backend/src/graphql/model/TransactionLink.ts
index 4511c5cdd..c46728407 100644
--- a/backend/src/graphql/model/TransactionLink.ts
+++ b/backend/src/graphql/model/TransactionLink.ts
@@ -16,6 +16,9 @@ export class TransactionLink {
   @Field(() => String)
   memo: string
 
+  @Field(() => String)
+  code: string
+
   @Field(() => Date)
   createdAt: Date
 
diff --git a/database/entity/0030-transaction_link/TransactionLink.ts b/database/entity/0030-transaction_link/TransactionLink.ts
index 11f1be6a3..d04c00d7b 100644
--- a/database/entity/0030-transaction_link/TransactionLink.ts
+++ b/database/entity/0030-transaction_link/TransactionLink.ts
@@ -3,7 +3,7 @@ import { BaseEntity, Entity, PrimaryGeneratedColumn, Column } from 'typeorm'
 import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
 
 @Entity('transaction_links')
-export class Transaction extends BaseEntity {
+export class TransactionLink extends BaseEntity {
   @PrimaryGeneratedColumn('increment', { unsigned: true })
   id: number
 
@@ -22,6 +22,9 @@ export class Transaction extends BaseEntity {
   @Column({ length: 255, nullable: false, collation: 'utf8mb4_unicode_ci' })
   memo: string
 
+  @Column({ length: 96, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  code: string
+
   @Column({
     type: 'datetime',
     default: () => 'CURRENT_TIMESTAMP',
diff --git a/database/migrations/0030-transaction_link.ts b/database/migrations/0030-transaction_link.ts
index ca0f0cfa5..59eba1090 100644
--- a/database/migrations/0030-transaction_link.ts
+++ b/database/migrations/0030-transaction_link.ts
@@ -10,6 +10,7 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
       \`userId\` int UNSIGNED NOT NULL,
       \`amount\` DECIMAL(40,20) NOT NULL,
       \`memo\` varchar(255) NOT NULL,
+      \`code\` varchar(96) NOT NULL,
       \`createdAt\` datetime NOT NULL,
       \`validUntil\` datetime NOT NULL,
       \`showEmail\` boolean NOT NULL DEFAULT false,