diff --git a/tests/app/service/test_rest.py b/tests/app/service/test_rest.py
index 3eec3e49a..aab265c95 100644
--- a/tests/app/service/test_rest.py
+++ b/tests/app/service/test_rest.py
@@ -3141,7 +3141,7 @@ def test_update_service_sms_sender(client, notify_db_session):
     fuzzed_sms_sender=st.text(min_size=0, max_size=50), fuzzed_is_default=st.booleans()
 )
 def test_fuzz_update_service_sms_sender(client, fuzzed_sms_sender, fuzzed_is_default):
-    service = create_service(service_name=f"service-{fuzzed_sms_sender}")
+    service = create_service(service_name=f"service-{uuid.uiid4()}")
     service_sms_sender = create_service_sms_sender(
         service=service, sms_sender="1235", is_default=False
     )