1 files changed, 2 insertions, 1 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/ToOneReferenceMapping.java b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/ToOneReferenceMapping.java
index 41b9f65985..303f239b78 100644
--- a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/ToOneReferenceMapping.java
+++ b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/ToOneReferenceMapping.java
@@ -12,6 +12,7 @@ package org.eclipse.emf.cdo.server.internal.db;
 
 import org.eclipse.emf.cdo.internal.protocol.revision.InternalCDORevision;
 import org.eclipse.emf.cdo.protocol.id.CDOID;
+import org.eclipse.emf.cdo.protocol.id.CDOIDUtil;
 import org.eclipse.emf.cdo.protocol.model.CDOFeature;
 
 /**
@@ -28,6 +29,6 @@ public class ToOneReferenceMapping extends AttributeMapping.AMObject
   protected Long getRevisionValue(InternalCDORevision revision)
   {
     CDOID id = (CDOID)super.getRevisionValue(revision);
-    return id.getValue();
+    return CDOIDUtil.getLong(id);
   }
 }