diff --git a/backend/src/graphql/model/TransactionLink.ts b/backend/src/graphql/model/TransactionLink.ts
index f449a6f9e..0f19df466 100644
--- a/backend/src/graphql/model/TransactionLink.ts
+++ b/backend/src/graphql/model/TransactionLink.ts
@@ -25,6 +25,9 @@ export class TransactionLink {
   @Field(() => Date)
   createdAt: Date
 
+  @Field(() => Date, { nullable: true })
+  deletedAt: Date | null
+
   @Field(() => Date)
   validUntil: Date