diff --git a/datamodels/2.x/itop-structure/datamodel.itop-structure.xml b/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
index 6eafece7a..dcb91e5d9 100644
--- a/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
+++ b/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
@@ -713,6 +713,7 @@
           <linked_class>User</linked_class>
           <ext_key_to_me>contactid</ext_key_to_me>
           <edit_mode>add_only</edit_mode>
+          <edit_when>on_host_display</edit_when>
           <count_min>0</count_min>
           <count_max>0</count_max>
         </field>