From f1ac7eea3bd6afb78e6e492588dafd4d9ca7eacc Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Tue, 25 Jul 2017 17:46:21 +1000
Subject: [PATCH] Typo

---
 modules/system/classes/MailManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/system/classes/MailManager.php b/modules/system/classes/MailManager.php
index 634e4463e..b55bc52e0 100644
--- a/modules/system/classes/MailManager.php
+++ b/modules/system/classes/MailManager.php
@@ -155,7 +155,7 @@ class MailManager
                 'brandCss' => $css
             ] + (array) $data);
 
-            $css += PHP_EOL . $template->layout->content_css;
+            $css .= PHP_EOL . $template->layout->content_css;
         }
 
         $html = (new CssToInlineStyles)->convert($html, $css);