diff --git a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
index 91d7ee388..8bda8690e 100755
--- a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
+++ b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
@@ -307,7 +307,9 @@
         </field>
         <field id="servicesubcategory_id" xsi:type="AttributeExternalKey">
           <filter><![CDATA[SELECT ServiceSubcategory WHERE service_id = :this->service_id AND status != 'obsolete']]></filter>
-          <dependencies/>
+          <dependencies>
+            <attribute id="service_id"/>
+          </dependencies>
           <sql>servicesubcategory_id</sql>
           <target_class>ServiceSubcategory</target_class>
           <is_null_allowed>true</is_null_allowed>