diff --git a/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs b/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
index cd39296512..0280e15a6d 100644
--- a/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
+++ b/OpenSim/ApplicationPlugins/CreateCommsManager/CreateCommsManagerPlugin.cs
@@ -28,6 +28,7 @@
 using System;
 using System.Reflection;
 using log4net;
+using OpenSim.Data;
 using OpenSim.Framework;
 using OpenSim.Framework.Communications;
 using OpenSim.Framework.Communications.Services;
diff --git a/prebuild.xml b/prebuild.xml
index 56cf5a7fcb..a44de0709d 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -1550,6 +1550,7 @@
       <Reference name="OpenMetaverse.StructuredData.dll"/>
       <Reference name="Nini.dll" />
       <Reference name="OpenSim"/>
+      <Reference name="OpenSim.Data"/>
       <Reference name="OpenSim.Region.ClientStack"/>
       <Reference name="OpenSim.Region.CoreModules"/>
       <Reference name="OpenSim.Region.Framework"/>