diff --git a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
index 21be97d567e..1495c21707d 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
+++ b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/Common/WebRequestPSCmdlet.Common.cs
@@ -1682,6 +1682,8 @@ internal long SetRequestContent(HttpRequestMessage request, byte[] content)
         /// </remarks>
         internal long SetRequestContent(HttpRequestMessage request, string content)
         {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
             if (request == null)
                 throw new ArgumentNullException(nameof(request));
 
@@ -1731,6 +1733,8 @@ internal long SetRequestContent(HttpRequestMessage request, string content)
 
         internal long SetRequestContent(HttpRequestMessage request, XmlNode xmlNode)
         {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
             if (request == null)
                 throw new ArgumentNullException(nameof(request));
 
diff --git a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/StreamHelper.cs b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/StreamHelper.cs
index 9314cfd1a5d..ceaf36a9a18 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/StreamHelper.cs
+++ b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/WebCmdlet/StreamHelper.cs
@@ -414,6 +414,8 @@ private static string StreamToString(Stream stream, Encoding encoding)
 
         internal static string DecodeStream(Stream stream, string characterSet, out Encoding encoding)
         {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+
             try
             {
                 encoding = Encoding.GetEncoding(characterSet);
@@ -428,6 +430,8 @@ internal static string DecodeStream(Stream stream, string characterSet, out Enco
 
         internal static bool TryGetEncoding(string characterSet, out Encoding encoding)
         {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+            
             bool result = false;
             try
             {