From 8f482c534f15c14a9b3097313a4f5e9273549d88 Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Sun, 7 May 2023 20:23:47 +0300
Subject: [PATCH] Fixed: custom script error when importing some downloads

Co-authored-by: Qstick <376117+Qstick@users.noreply.github.com>

Closes #5617
---
 src/NzbDrone.Common/Processes/ProcessProvider.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Common/Processes/ProcessProvider.cs b/src/NzbDrone.Common/Processes/ProcessProvider.cs
index e3c3df957..be443e195 100644
--- a/src/NzbDrone.Common/Processes/ProcessProvider.cs
+++ b/src/NzbDrone.Common/Processes/ProcessProvider.cs
@@ -127,7 +127,11 @@ namespace NzbDrone.Common.Processes
                     try
                     {
                         _logger.Trace("Setting environment variable '{0}' to '{1}'", environmentVariable.Key, environmentVariable.Value);
-                        startInfo.EnvironmentVariables.Add(environmentVariable.Key.ToString(), environmentVariable.Value.ToString());
+
+                        var key = environmentVariable.Key.ToString();
+                        var value = environmentVariable.Value?.ToString();
+
+                        startInfo.EnvironmentVariables[key] = value;
                     }
                     catch (Exception e)
                     {