diff --git a/samples/ANCMStressTestSample/WebSockets/Constants.cs b/samples/ANCMStressTestSample/WebSockets/Constants.cs
index e002def8f1..bcf5462558 100644
--- a/samples/ANCMStressTestSample/WebSockets/Constants.cs
+++ b/samples/ANCMStressTestSample/WebSockets/Constants.cs
@@ -10,7 +10,6 @@ namespace ANCMStressTestApp
             public const string Upgrade = "Upgrade";
             public const string UpgradeWebSocket = "websocket";
             public const string Connection = "Connection";
-            public const string ConnectionUpgrade = "Upgrade";
             public const string SecWebSocketKey = "Sec-WebSocket-Key";
             public const string SecWebSocketAccept = "Sec-WebSocket-Accept";
         }
diff --git a/samples/ANCMStressTestSample/WebSockets/HandshakeHelpers.cs b/samples/ANCMStressTestSample/WebSockets/HandshakeHelpers.cs
index a9d5b61b03..331f415013 100644
--- a/samples/ANCMStressTestSample/WebSockets/HandshakeHelpers.cs
+++ b/samples/ANCMStressTestSample/WebSockets/HandshakeHelpers.cs
@@ -13,7 +13,7 @@ namespace ANCMStressTestApp
     {
         public static IEnumerable<KeyValuePair<string, string>> GenerateResponseHeaders(string key)
         {
-            yield return new KeyValuePair<string, string>(Constants.Headers.Connection, Constants.Headers.ConnectionUpgrade);
+            yield return new KeyValuePair<string, string>(Constants.Headers.Connection, Constants.Headers.Upgrade);
             yield return new KeyValuePair<string, string>(Constants.Headers.Upgrade, Constants.Headers.UpgradeWebSocket);
             yield return new KeyValuePair<string, string>(Constants.Headers.SecWebSocketAccept, CreateResponseKey(key));
         }