From 601dabffd0ba851f8ac1898dc54806e2efae1674 Mon Sep 17 00:00:00 2001
From: Jonas De Keukelaere <jonas@sumocoders.be>
Date: Tue, 12 Oct 2021 12:10:31 +0100
Subject: [PATCH] Only add prepare_for_sending if it's true

---
 Invoice/Invoice.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Invoice/Invoice.php b/Invoice/Invoice.php
index 9f5832a..e4df90b 100644
--- a/Invoice/Invoice.php
+++ b/Invoice/Invoice.php
@@ -535,7 +535,7 @@ public function toArray($forApi = false)
             foreach ($this->getHistory() as $history) {
                 $data['history'][] = $history->toArray($forApi);
             }
-        } else {
+        } elseif ($this->prepareForSending) {
             $data['prepare_for_sending'] = $this->prepareForSending;
         }