diff --git a/prebuild.xml b/prebuild.xml
index 36fbd4a733..8d14807ecc 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -992,7 +992,7 @@
       </Configuration>
 
       <ReferencePath>../../../../../bin/</ReferencePath>
-      <Reference name="System.Net"/>
+      <Reference name="System"/>
       <Reference name="OpenSim.Framework"/>
       <Reference name="OpenSim.Framework.Communications"/>
       <Reference name="OpenSim.Region.ClientStack"/>