From fd74ea280b0c8973234383131d0350cfe6097df9 Mon Sep 17 00:00:00 2001
From: Jonathan Mezach <jonathanm@infosupport.com>
Date: Thu, 12 Dec 2019 08:12:10 +0100
Subject: [PATCH] Do not crash host on Dispose

---
 src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs b/src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs
index cca50d0b..9a2b67e6 100644
--- a/src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs
+++ b/src/Ocelot/Configuration/Repository/FileConfigurationPoller.cs
@@ -105,7 +105,8 @@ namespace Ocelot.Configuration.Repository
 
         public void Dispose()
         {
-            _timer.Dispose();
+            _timer?.Dispose();
+            _timer = null;
         }
     }
 }