diff --git a/sf_plan_management/models/base.py b/sf_plan_management/models/base.py
index 57df9566..ca6e4693 100644
--- a/sf_plan_management/models/base.py
+++ b/sf_plan_management/models/base.py
@@ -36,7 +36,7 @@ class ProcedureEquipmentResourceSetting(models.Model):
     @api.depends('work_center_name_id')
     def _onchange_work_center_name_id(self):
         for record in self:
-            record.equipment_name_id = record.work_center_name_id.equipment_ids
+            record.equipment_name_id = record.work_center_name_id.equipment_id
 
     @api.onchange('equipment_name_id')
     def _onchange_equipment_name_id(self):