diff --git a/OpenSim/Server/Base/CommandManager.cs b/OpenSim/Server/Base/CommandManager.cs
index 88aac00fb5..bd18485f7b 100644
--- a/OpenSim/Server/Base/CommandManager.cs
+++ b/OpenSim/Server/Base/CommandManager.cs
@@ -32,8 +32,8 @@ using System.Linq;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using Mono.Addins.Setup;
 using Mono.Addins;
-// using Mono.Addins.Setup;
 using Mono.Addins.Description;
 using OpenSim.Framework;
 
diff --git a/prebuild.xml b/prebuild.xml
index 99ba2a9c96..69a5ca05bc 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -739,6 +739,7 @@
       <Reference name="OpenMetaverse.StructuredData" path="../../../bin/"/>
       <Reference name="OpenMetaverse" path="../../../bin/"/>
       <Reference name="Mono.Addins" path="../../../bin/"/>
+      <Reference name="Mono.Addins.Setup" path="../../bin/"/>
       <Reference name="OpenSim.Framework"/>
       <Reference name="OpenSim.Framework.Console"/>
       <Reference name="OpenSim.Framework.Servers"/>