diff --git a/lib/csharp/src/Transport/THttpClient.cs b/lib/csharp/src/Transport/THttpClient.cs
index 768b64e..717907c 100644
--- a/lib/csharp/src/Transport/THttpClient.cs
+++ b/lib/csharp/src/Transport/THttpClient.cs
@@ -189,7 +189,9 @@
 #endif
 			}
 
+#if !SILVERLIGHT
 			connection.Proxy = null;
+#endif
 
             return connection;
 		}