diff --git a/src/modules/project/services/project.service.js b/src/modules/project/services/project.service.js
index ac987d9..6d5a54b 100644
--- a/src/modules/project/services/project.service.js
+++ b/src/modules/project/services/project.service.js
@@ -573,7 +573,7 @@ class ProjectService {
       if (existingMembership) {
         membership = await projectRepository.updateMembershipStatus(existingMembership.id, 'active');
       } else {
-        membership = await projectRepository.assignMember(id_project, id_user);
+        membership = await projectRepository.assignMember(project.id, id_user);
       }
 
       await notificationService.createNotificationForIntern(