diff --git a/prebuild.xml b/prebuild.xml
index 2a1edbf045..157f0753dd 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -553,10 +553,10 @@
       <Reference name="OpenSim.Framework"/>
       <Reference name="OpenSim.Framework.Console"/>
       <Reference name="OpenSim.Region.Physics.Manager"/>
-      <Reference name="OpenSim.Region.Physics.Meshing"/>
       <Reference name="BulletDotNET.dll" />
       <Reference name="nunit.framework.dll" />
       <Reference name="log4net.dll"/>
+      <Reference name="./Physics/OpenSim.Region.Physics.Meshing"/>
 
       <Files>
         <Match pattern="*.cs" recurse="true"/>