From e10cb5cd9c01fb268e6acff3a90b1d49c39f6cee Mon Sep 17 00:00:00 2001
From: Paul Chote <pchote@users.noreply.github.com>
Date: Thu, 25 Jun 2015 17:24:42 +0100
Subject: [PATCH] Fix an incorrect coordinate check.

---
 OpenRA.Game/Map/Map.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OpenRA.Game/Map/Map.cs b/OpenRA.Game/Map/Map.cs
index 25dc8b82d7..dd7456ec20 100644
--- a/OpenRA.Game/Map/Map.cs
+++ b/OpenRA.Game/Map/Map.cs
@@ -664,7 +664,7 @@ namespace OpenRA
 			// (b) Therefore:
 			//  - ax + by adds (a - b) * 512 + 512 to u
 			//  - ax + by adds (a + b) * 512 + 512 to v
-			var z = Contains(cell) ? 512 * MapHeight.Value[cell] : 0;
+			var z = MapHeight.Value.Contains(cell) ? 512 * MapHeight.Value[cell] : 0;
 			return new WPos(512 * (cell.X - cell.Y), 512 * (cell.X + cell.Y + 1), z);
 		}