diff --git a/SendToWP7Desktop/app.config b/SendToWP7Desktop/app.config
index e365603..703b1ea 100644
--- a/SendToWP7Desktop/app.config
+++ b/SendToWP7Desktop/app.config
@@ -1,3 +1,9 @@
 <?xml version="1.0"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup>
+  <system.net>
+    <settings>
+      <servicePointManager expect100Continue="false" />
+    </settings>
+  </system.net>
+</configuration>