diff --git a/OpenRa.Game/Viewport.cs b/OpenRa.Game/Viewport.cs
index 649cd403c9..de74e5038b 100644
--- a/OpenRa.Game/Viewport.cs
+++ b/OpenRa.Game/Viewport.cs
@@ -30,7 +30,7 @@ namespace OpenRa.Game
 			this.renderer = renderer;
 		}
 
-		List<Region> regions;
+		List<Region> regions = new List<Region>();
 		public void ResquestRegion(AnchorStyles anchor, int distanceFromAnchor, Renderable drawFunction)
 		{
 			switch (anchor)