From d7e63ec28ad60111d5dee6bd5a245d9e0d3c5dab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Mail=C3=A4nder?= <matthias@mailaender.name>
Date: Sat, 13 Jun 2015 10:53:48 +0200
Subject: [PATCH] fix a NullReferenceException

---
 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 27661e6e36..00e47098ea 100644
--- a/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/UpgradeRules.cs
@@ -1101,7 +1101,7 @@ namespace OpenRA.Mods.Common.UtilityCommands
 						var chPal = nodeChPal != null && !string.IsNullOrEmpty(nodeChPal.Value.Value) ? nodeChPal.Value.Value : "effect";
 						ge.Value.Nodes.Remove(nodeChPal);
 
-						if (upgrades != 0)
+						if (upgrades != 0 && nodeUpgrades != null)
 						{
 							foreach (var nodeUpgrade in nodeUpgrades.Value.Nodes)
 								nodeUpgrade.Value.Value = "rank" + (string.IsNullOrEmpty(nodeUpgrade.Value.Value) ? null : ", ") + nodeUpgrade.Value.Value;