From 343eb3a768f838137b8a28ed675298408cf4e22c Mon Sep 17 00:00:00 2001
From: James Cole <thegrumpydictator@gmail.com>
Date: Wed, 6 Dec 2017 19:21:17 +0100
Subject: [PATCH] Fix null pointer [skip ci]

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

diff --git a/app/Http/Controllers/BudgetController.php b/app/Http/Controllers/BudgetController.php
index 019d95a7f3..0350973a73 100644
--- a/app/Http/Controllers/BudgetController.php
+++ b/app/Http/Controllers/BudgetController.php
@@ -603,7 +603,7 @@ class BudgetController extends Controller
             $collector = app(JournalCollectorInterface::class);
             $collector->setAllAssetAccounts()->setRange($end, $currentEnd)->withoutBudget()->withOpposingAccount()->setTypes([TransactionType::WITHDRAWAL]);
             $set      = $collector->getJournals();
-            $sum      = $set->sum('transaction_amount') ?? '0';
+            $sum      = strval($set->sum('transaction_amount') ?? '0');
             $journals = $set->count();
             $dateStr  = $end->format('Y-m-d');
             $dateName = Navigation::periodShow($end, $range);