diff --git a/app/Repositories/Budget/BudgetLimitRepository.php b/app/Repositories/Budget/BudgetLimitRepository.php
index f0ef9ae1b6..c10223847d 100644
--- a/app/Repositories/Budget/BudgetLimitRepository.php
+++ b/app/Repositories/Budget/BudgetLimitRepository.php
@@ -339,8 +339,8 @@ class BudgetLimitRepository implements BudgetLimitRepositoryInterface
         $budgetLimit->amount     = $data['amount'] ?? $budgetLimit->amount;
         $budgetLimit->budget_id  = $data['budget_id'] ?? $budgetLimit->id;
         $budgetLimit->budget_id  = array_key_exists('budget_id', $data) ? $data['budget_id']->id : $budgetLimit->budget_id;
-        $budgetLimit->start_date = $data['start'] ? $data['start']->format('Y-m-d 00:00:00') : $budgetLimit->start_date;
-        $budgetLimit->end_date   = $data['end'] ? $data['end']->format('Y-m-d 00:00:00') : $budgetLimit->end_date;
+        $budgetLimit->start_date = array_key_exists('start_date', $data) ? $data['start_date']->format('Y-m-d 00:00:00') : $budgetLimit->start_date;
+        $budgetLimit->end_date   = array_key_exists('end_date', $data) ? $data['end_date']->format('Y-m-d 00:00:00') : $budgetLimit->end_date;
 
         // if no currency has been provided, use the user's default currency:
         /** @var TransactionCurrencyFactory $factory */