diff --git a/kfet/views.py b/kfet/views.py
index 7083d489..c228500f 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -1687,6 +1687,7 @@ def order_create(request, pk):
 
     articles = (Article.objects
             .filter(suppliers=supplier.pk)
+            .distinct()
             .select_related('category')
             .order_by('category__name', 'name'))