diff --git a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
index c187972edf..f2faabbcc3 100644
--- a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
@@ -1256,7 +1256,6 @@ namespace OpenSim.Framework.Servers.HttpServer
                     response.ContentType = "text/plain";
                     response.StatusCode = 404;
                     response.StatusDescription = "Not Found";
-                    response.ProtocolVersion = "HTTP/1.0";
                     responseString = "Not found";
                     response.KeepAlive = false;
 
@@ -1431,7 +1430,6 @@ namespace OpenSim.Framework.Servers.HttpServer
                 response.ContentType = "text/plain";
                 response.StatusCode = 404;
                 response.StatusDescription = "Not Found";
-                response.ProtocolVersion = "HTTP/1.0";
                 buffer = Encoding.UTF8.GetBytes("Not found");
             }
             else
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
index c03650a64f..f5968b445a 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
@@ -396,7 +396,7 @@ namespace OSHttpServer
                 LogWriter.Write(this, LogPrio.Warning, "Bad request, responding with it. Error: " + err);
                 try
                 {
-                    Respond("HTTP/1.0", HttpStatusCode.BadRequest, err.Message);
+                    Respond("HTTP/1.1", HttpStatusCode.BadRequest, err.Message);
                 }
                 catch (Exception err2)
                 {
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
index 76ad1979c6..1b0a188847 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
@@ -39,7 +39,7 @@ namespace OSHttpServer
         {
             m_httpVersion = request.HttpVersion;
             if (string.IsNullOrEmpty(m_httpVersion))
-                m_httpVersion = "HTTP/1.0";
+                m_httpVersion = "HTTP/1.1";
 
             Status = HttpStatusCode.OK;
             m_context = context;
@@ -222,7 +222,7 @@ namespace OSHttpServer
 
             var sb = new StringBuilder();
             if(string.IsNullOrWhiteSpace(m_httpVersion))
-                sb.AppendFormat("HTTP1/0 {0} {1}\r\n", (int)Status,
+                sb.AppendFormat("HTTP/1.1 {0} {1}\r\n", (int)Status,
                                 string.IsNullOrEmpty(Reason) ? Status.ToString() : Reason);
             else
                 sb.AppendFormat("{0} {1} {2}\r\n", m_httpVersion, (int)Status,