diff --git a/backend/src/entities/classes/teacher-invitation.entity.ts b/backend/src/entities/classes/teacher-invitation.entity.ts
index 98d2bdd4..877a183b 100644
--- a/backend/src/entities/classes/teacher-invitation.entity.ts
+++ b/backend/src/entities/classes/teacher-invitation.entity.ts
@@ -1,11 +1,16 @@
 import { Entity, ManyToOne } from '@mikro-orm/core';
 import { Teacher } from '../users/teacher.entity.js';
 import { Class } from './class.entity.js';
+import { TeacherInvitationRepository } from '../../data/classes/teacher-invitation-repository.js';
 
 /**
  * Invitation of a teacher into a class (in order to teach it).
  */
-@Entity()
+@Entity({
+    repository: () => {
+        return TeacherInvitationRepository;
+    },
+})
 export class TeacherInvitation {
     @ManyToOne({
         entity: () => {