From 0bce7a1b716dd490d77cf6441b4e5df79a1cc6b4 Mon Sep 17 00:00:00 2001
From: RoosterDragon <RoosterDragon@outlook.com>
Date: Fri, 4 Mar 2016 21:29:56 +0000
Subject: [PATCH] Fix a possible null reference in UpgradeWeaponRules.

---
 OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs b/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
index 65bab359de..b40c525ee2 100644
--- a/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
@@ -650,7 +650,7 @@ namespace OpenRA.Mods.Common.UtilityCommands
 					}
 					else
 					{
-						if (node.Key == "MaximumLaunchSpeed" && parent.Value.Value == "Missile")
+						if (node.Key == "MaximumLaunchSpeed" && parent != null && parent.Value.Value == "Missile")
 							node.Key = "Speed";
 					}
 				}