diff --git a/billard/models.py b/billard/models.py
index 1996249..6a053c5 100644
--- a/billard/models.py
+++ b/billard/models.py
@@ -108,7 +108,7 @@ def test(sender, **kwargs):
 def process_location_data():
     data = LocationData.objects.filter(processed=False)
     for ld in data:
-        cli = Client.objects.filter(uuid=ld.client_id)
+        cli = Client.objects.filter(uuid=ld.client_id, desks__desk_no=ld.desk_no)
         if cli.count() < 1:
             ld.processed = True
             ld.error_msg = 'No location object found. Stopp processing!'