diff --git a/database/entity/0030-transaction_link/TransactionLink.ts b/database/entity/0030-transaction_link/TransactionLink.ts
index 620f19903..bb12277d1 100644
--- a/database/entity/0030-transaction_link/TransactionLink.ts
+++ b/database/entity/0030-transaction_link/TransactionLink.ts
@@ -32,7 +32,7 @@ export class TransactionLink extends BaseEntity {
   @Column({ length: 255, nullable: false, collation: 'utf8mb4_unicode_ci' })
   memo: string
 
-  @Column({ length: 96, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  @Column({ length: 24, nullable: false, collation: 'utf8mb4_unicode_ci' })
   code: string
 
   @Column({