diff --git a/backend/src/server/routes/v2/project-membership-router.ts b/backend/src/server/routes/v2/project-membership-router.ts
index 5a9060295..0c3ceb01e 100644
--- a/backend/src/server/routes/v2/project-membership-router.ts
+++ b/backend/src/server/routes/v2/project-membership-router.ts
@@ -49,7 +49,7 @@ export const registerProjectMembershipRouter = async (server: FastifyZodProvider
         projects: [
           {
             id: req.params.projectId,
-            projectRoleSlug: req.body.roleSlugs ? req.body.roleSlugs : [ProjectMembershipRole.Member]
+            projectRoleSlug: req.body.roleSlugs || [ProjectMembershipRole.Member]
           }
         ]
       });