From 121bff54d990452efb31eac05b53d63e655c0f15 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Fri, 8 Jul 2016 00:00:37 -0400
Subject: [PATCH] add startup null check

---
 MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index 383e93758..897684b73 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -152,7 +152,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 {
                     var directory = Path.GetDirectoryName(FFMpegPath);
 
-                    if (FileSystem.ContainsSubPath(ConfigurationManager.ApplicationPaths.ProgramDataPath, directory))
+                    if (!string.IsNullOrWhiteSpace(directory) && FileSystem.ContainsSubPath(ConfigurationManager.ApplicationPaths.ProgramDataPath, directory))
                     {
                         await new FontConfigLoader(_httpClient, ConfigurationManager.ApplicationPaths, _logger, _zipClient,
                                 FileSystem).DownloadFonts(directory).ConfigureAwait(false);