Index: apacheds/core/src/main/java/org/apache/directory/server/core/operational/OperationalAttributeService.java
===================================================================
--- apacheds/core/src/main/java/org/apache/directory/server/core/operational/OperationalAttributeService.java	(revision 489719)
+++ apacheds/core/src/main/java/org/apache/directory/server/core/operational/OperationalAttributeService.java	(working copy)
@@ -379,17 +379,20 @@
             if ( attr != null )
             {
                 LdapDN creatorsName = new LdapDN( ( String ) attr.get() );
-                attr.set( 0, denormalizeTypes( creatorsName ).getUpName() );
+                attr.clear();
+                attr.add( 0, denormalizeTypes( creatorsName ).getUpName() );
             }
             
             type = null;
             type = registry.lookup( "modifiersName" );
             attr = null;
             attr = AttributeUtils.getAttribute( entry, type );
+
             if ( attr != null )
             {
                 LdapDN modifiersName = new LdapDN( ( String ) attr.get() );
-                attr.set( 0, denormalizeTypes( modifiersName ).getUpName() );
+                attr.clear();
+                attr.add( 0, denormalizeTypes( modifiersName ).getUpName() );
             }
         }
     }