diff --git a/prebuild.xml b/prebuild.xml
index 640d530064..12e33e9a2b 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -588,6 +588,7 @@
       <ReferencePath>../../../../bin/</ReferencePath>
       <Reference name="System"/>
       <Reference name="System.Drawing"/>
+      <Reference name="CSJ2K.dll"/>
       <Reference name="OpenMetaverseTypes.dll"/>
       <Reference name="OpenMetaverse.dll"/>
       <Reference name="Nini.dll" />