diff --git a/src/accounting/report/reports/balance_sheet.py b/src/accounting/report/reports/balance_sheet.py
index e9b9ea0..6d4529c 100644
--- a/src/accounting/report/reports/balance_sheet.py
+++ b/src/accounting/report/reports/balance_sheet.py
@@ -235,9 +235,9 @@ class AccountCollector:
             = {x.account.code: x for x in self.accounts}
         if code in account_balance_by_code:
             balance: ReportAccount = account_balance_by_code[code]
-            balance.url = url
             if amount is not None:
                 balance.amount = balance.amount + amount
+                balance.url = url
             return
         # Add a new balance
         if amount is None: