diff --git a/apps/pos_device/web/api/v1/viewsets/device.py b/apps/pos_device/web/api/v1/viewsets/device.py
index 4d53dc1..380bf5b 100644
--- a/apps/pos_device/web/api/v1/viewsets/device.py
+++ b/apps/pos_device/web/api/v1/viewsets/device.py
@@ -78,6 +78,7 @@ class DeviceViewSet(BaseViewSet, SoftDeleteMixin, viewsets.ModelViewSet, AdminFi
         'mac',
         'serial',
         'organization__name',
+        'assignment__client__organization__name'
     ]
 
     def create(self, request, *args, **kwargs):