diff --git a/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml b/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
index a868ea07d..fa4d7437b 100755
--- a/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
+++ b/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
@@ -79,6 +79,7 @@
           <class id="lnkFunctionalCIToTicket"/>
           <class id="lnkContactToTicket"/>
           <class id="WorkOrder"/>
+          <class id="Attachment"/>
         </classes>
       </group>
       <group id="NormalChange" _delta="define">