diff --git a/Runtime/Services/BacktraceMetrics.cs b/Runtime/Services/BacktraceMetrics.cs
index 7596675b..faf8d102 100644
--- a/Runtime/Services/BacktraceMetrics.cs
+++ b/Runtime/Services/BacktraceMetrics.cs
@@ -233,7 +233,7 @@ internal void OverrideHttpClient(IBacktraceHttpClient client)
         /// </summary>
         public void SendStartupEvent()
         {
-            _uniqueEventsSubmissionQueue.StartWithEvent(DefaultUniqueAttributeName);
+            _uniqueEventsSubmissionQueue.StartWithEvent(StartupUniqueAttributeName);
             _summedEventsSubmissionQueue.StartWithEvent(StartupEventName);
         }