diff --git a/odex25_helpdesk/odex25_helpdesk_assignation_method/models/helpdesk_team.py b/odex25_helpdesk/odex25_helpdesk_assignation_method/models/helpdesk_team.py
index cb9f6ea11..5b86236c6 100644
--- a/odex25_helpdesk/odex25_helpdesk_assignation_method/models/helpdesk_team.py
+++ b/odex25_helpdesk/odex25_helpdesk_assignation_method/models/helpdesk_team.py
@@ -21,6 +21,16 @@ class HelpdeskTicket(models.Model):
             'user_id': team.get_new_user(ticket_type),
         }
 
+    @api.onchange('user_id')
+    def _onchange_user_id(self):
+        for rec in self:
+            team_member_records = self.env['helpdesk.team.member'].search([('member_id', '=', rec.user_id.id)])
+            user_services = team_member_records.mapped('service_id')
+            if not user_services:
+                service_domain = []
+            else:
+                service_domain = [('id', 'in', user_services.ids)]
+            return {'domain': {'service_id': service_domain}}
 
     @api.model
     def create(self, vals):
diff --git a/odex25_helpdesk/odex25_helpdesk_assignation_method/views/helpdesk_views.xml b/odex25_helpdesk/odex25_helpdesk_assignation_method/views/helpdesk_views.xml
index 0af842550..5ede618dc 100644
--- a/odex25_helpdesk/odex25_helpdesk_assignation_method/views/helpdesk_views.xml
+++ b/odex25_helpdesk/odex25_helpdesk_assignation_method/views/helpdesk_views.xml
@@ -40,7 +40,7 @@
                         <tree string="Members" editable="bottom">
                             <field name="member_id" required="1" context="{'members':parent.members_ids}"/>
 <!--                            <field name="ticket_type_ids" required="1" widget="many2many_tags"/>-->
-                            <field name="service_id" required="1" widget="many2many_tags"/>
+                            <field name="service_id"  widget="many2many_tags"/>
                         </tree>
                     </field>
                  </div>