diff --git a/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml b/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
index a443a8f1ab..8bd9589c1c 100644
--- a/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
+++ b/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2">
-    <class name="OpenSim.Region.Environment.Scenes.SceneObjectPart, OpenSim.Region.Environment" table="Prims" lazy="false">
+    <class name="OpenSim.Data.NHibernate.NHPrim, OpenSim.Data.NHibernate" table="Prims" lazy="false">
         <id name="UUID" column="ID" type="OpenSim.Data.NHibernate.LLUUIDUserType, OpenSim.Data.NHibernate"> 
             <generator class="assigned" /> 
         </id>
         <property name="ParentID" type="System.UInt32" />
+        <property name="RegionID" type="OpenSim.Data.NHibernate.LLUUIDUserType, OpenSim.Data.NHibernate" /> 
         <property name="CreationDate" type="System.Int32" />
         <property name="Name" type="String" length="255" />
         <property name="Text" type="String" length="255" />