diff --git a/Lidgren.Network/NetPeer.Internal.cs b/Lidgren.Network/NetPeer.Internal.cs
index 7c3e8c6..1b100fa 100644
--- a/Lidgren.Network/NetPeer.Internal.cs
+++ b/Lidgren.Network/NetPeer.Internal.cs
@@ -446,7 +446,7 @@ namespace Lidgren.Network
 				if (m_upnp != null && now < m_upnp.m_discoveryResponseDeadline && bytesReceived > 32)
 				{
 					// is this an UPnP response?
-					string resp = System.Text.Encoding.ASCII.GetString(m_receiveBuffer, 0, bytesReceived);
+					string resp = System.Text.Encoding.UTF8.GetString(m_receiveBuffer, 0, bytesReceived);
 					if (resp.Contains("upnp:rootdevice") || resp.Contains("UPnP/1.0"))
 					{
 						try
@@ -745,4 +745,4 @@ namespace Lidgren.Network
 			return m_readHelperMessage;
 		}
 	}
-}
\ No newline at end of file
+}