1 diff --git a/copanier/views/delivery.py b/copanier/views/delivery.py
2 index 779d52c..1696919 100644
3 --- a/copanier/views/delivery.py
4 +++ b/copanier/views/delivery.py
5 @@ -401,7 +401,7 @@ async def compute_payments(request, response, id):
6 balance.append((group_id, amount))
8 debiters, crediters = order_balance(balance)
9 - results = reduce_balance(debiters[:], crediters[:])
10 + results = reduce_balance(debiters[:], crediters[:], [])
12 results_dict = defaultdict(partial(defaultdict, float))