diff --git a/purchase_request.py b/purchase_request.py
index 9b8610cb6a..ac4185ac94 100644
--- a/purchase_request.py
+++ b/purchase_request.py
@@ -142,11 +142,13 @@ class PurchaseRequest:
 
     @classmethod
     def create_requests(cls, new_requests):
+        to_save = []
         for new_req in new_requests:
             if new_req.supply_date == datetime.date.max:
                 new_req.supply_date = None
             if new_req.computed_quantity > 0:
-                new_req.save()
+                to_save.append(new_req)
+        cls.save(to_save)
 
     @classmethod
     def compare_requests(cls, new_requests):