diff --git a/src/Exceptionless/Submission/DefaultSubmissionClient.cs b/src/Exceptionless/Submission/DefaultSubmissionClient.cs
index b1007a2c..5901edcd 100644
--- a/src/Exceptionless/Submission/DefaultSubmissionClient.cs
+++ b/src/Exceptionless/Submission/DefaultSubmissionClient.cs
@@ -150,6 +150,7 @@ protected virtual HttpClient CreateHttpClient(ExceptionlessConfiguration config)
                 handler.Proxy = config.Proxy;
 
             var client = new HttpClient(handler, true);
+            client.DefaultRequestHeaders.ConnectionClose = true;
             client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
             client.DefaultRequestHeaders.ExpectContinue = false;
             client.DefaultRequestHeaders.UserAgent.ParseAdd(config.UserAgent);