From 2dfeab9ec6a4cb07fb49b72bd6d88eeaa57ab6d5 Mon Sep 17 00:00:00 2001
From: afifi-ins <89879907+afifi-ins@users.noreply.github.com>
Date: Fri, 15 Oct 2021 19:21:18 +0200
Subject: [PATCH] Fix XML Serializer Missing Parameter (#4729)

---
 .../ServiceModel/Dispatcher/XmlSerializerOperationFormatter.cs  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/System.Private.ServiceModel/src/System/ServiceModel/Dispatcher/XmlSerializerOperationFormatter.cs b/src/System.Private.ServiceModel/src/System/ServiceModel/Dispatcher/XmlSerializerOperationFormatter.cs
index 334921f2a25..165ada07cd2 100644
--- a/src/System.Private.ServiceModel/src/System/ServiceModel/Dispatcher/XmlSerializerOperationFormatter.cs
+++ b/src/System.Private.ServiceModel/src/System/ServiceModel/Dispatcher/XmlSerializerOperationFormatter.cs
@@ -387,7 +387,7 @@ private void SerializeBody(XmlDictionaryWriter writer, MessageVersion version, X
             }
 
             string encoding = _isEncoded ? GetEncoding(version.Envelope) : null;
-            serializer.Serialize(writer, bodyParameters, null);
+            serializer.Serialize(writer, bodyParameters, null, encoding);
         }