From f78658738ac83685f1ef2c4da6be06d3262f311c Mon Sep 17 00:00:00 2001
From: Matias Griese <matias@trilbymedia.com>
Date: Mon, 28 Jan 2019 13:00:51 +0200
Subject: [PATCH] FlexObject: Fixed a bug when updating media

---
 system/src/Grav/Framework/Flex/Traits/FlexMediaTrait.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/system/src/Grav/Framework/Flex/Traits/FlexMediaTrait.php b/system/src/Grav/Framework/Flex/Traits/FlexMediaTrait.php
index a86c5886c..970d48f2d 100644
--- a/system/src/Grav/Framework/Flex/Traits/FlexMediaTrait.php
+++ b/system/src/Grav/Framework/Flex/Traits/FlexMediaTrait.php
@@ -256,7 +256,7 @@ trait FlexMediaTrait
     {
         $list = [];
         foreach ($files as $field => $group) {
-            if (\strpos($field, '/', true)) {
+            if ($field === '' || \strpos($field, '/', true)) {
                 continue;
             }
             foreach ($group as $filename => $file) {