diff --git a/packages/worker/src/api/routes/global/tests/groups.spec.ts b/packages/worker/src/api/routes/global/tests/groups.spec.ts
index 0715c3a7bb..414518d763 100644
--- a/packages/worker/src/api/routes/global/tests/groups.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/groups.spec.ts
@@ -209,7 +209,7 @@ describe("/api/global/groups", () => {
 
         await Promise.all(
           Array.from({ length: 30 }).map(async (_, i) => {
-            const email = `user${i}@example.com`
+            const email = `user${i}+${generator.guid()}@example.com`
             const user = await config.api.users.saveUser({
               ...structures.users.user(),
               email,