From e86374f791b578505ba1d8c9555cb77870cb1054 Mon Sep 17 00:00:00 2001
From: Roly Rudy Gutierrez Pinto <gproly@gmail.com>
Date: Wed, 1 Mar 2017 14:29:47 -0400
Subject: [PATCH] HOR-2792

---
 workflow/engine/src/ProcessMaker/BusinessModel/FilesManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/FilesManager.php b/workflow/engine/src/ProcessMaker/BusinessModel/FilesManager.php
index 9df620d1a..467f00eb3 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/FilesManager.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/FilesManager.php
@@ -769,7 +769,7 @@ class FilesManager
                                     if (is_file($f)) {
                                         $arrayProcessFilesData = $this->getFileManagerUid($f);
 
-                                        if (is_null($arrayProcessFilesData["PRF_UID"])) {
+                                        if (empty($arrayProcessFilesData["PRF_UID"])) {
                                             rename($dir . PATH_SEP . $file, $dir . PATH_SEP . $file . ".tmp");
 
                                             $arrayData = array(