From ec335ae88cbb04fb986af74b66174b880d5ff50d Mon Sep 17 00:00:00 2001
From: James Cole <thegrumpydictator@gmail.com>
Date: Fri, 28 Feb 2020 18:53:20 +0100
Subject: [PATCH] Fix possible null pointer.

---
 app/Http/Controllers/Json/BoxController.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Http/Controllers/Json/BoxController.php b/app/Http/Controllers/Json/BoxController.php
index cc47398438..76c0ff2418 100644
--- a/app/Http/Controllers/Json/BoxController.php
+++ b/app/Http/Controllers/Json/BoxController.php
@@ -185,7 +185,7 @@ class BoxController extends Controller
         foreach ($set as $journal) {
             $currencyId            = (int)$journal['currency_id'];
             $expenses[$currencyId] = $expenses[$currencyId] ?? '0';
-            $expenses[$currencyId] = bcadd($expenses[$currencyId], $journal['amount']);
+            $expenses[$currencyId] = bcadd($expenses[$currencyId], $journal['amount'] ?? '0');
             $sums[$currencyId]     = $sums[$currencyId] ?? '0';
             $sums[$currencyId]     = bcadd($sums[$currencyId], $journal['amount']);
         }