diff --git a/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml b/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
index 8dff363b64..779d45cb8e 100644
--- a/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
+++ b/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
@@ -1523,6 +1523,7 @@
     <class id="lnkServerToVolume" _delta="define">
       <parent>cmdbAbstractObject</parent>
       <properties>
+        <is_link>1</is_link>
         <category>bizmodel,configmgmt</category>
         <abstract>false</abstract>
         <key_type>autoincrement</key_type>