diff --git a/OpenRa.Game/Viewport.cs b/OpenRa.Game/Viewport.cs
index de74e5038b..32f33478d6 100644
--- a/OpenRa.Game/Viewport.cs
+++ b/OpenRa.Game/Viewport.cs
@@ -39,13 +39,13 @@ namespace OpenRa.Game
 					regions.Add(new Region(new PointF(0, 0), new Size(clientSize.Width, distanceFromAnchor), drawFunction));
 					break;
 				case AnchorStyles.Bottom:
-					regions.Add(new Region(new PointF(0, clientSize.Height), new Size(clientSize.Width, distanceFromAnchor), drawFunction));
+					regions.Add(new Region(new PointF(0, clientSize.Height - distanceFromAnchor), new Size(clientSize.Width, distanceFromAnchor), drawFunction));
 					break;
 				case AnchorStyles.Left:
 					regions.Add(new Region(new PointF(0, 0), new Size(distanceFromAnchor, clientSize.Height), drawFunction));
 					break;
 				case AnchorStyles.Right:
-					regions.Add(new Region(new PointF(clientSize.Width, 0), new Size(distanceFromAnchor, clientSize.Height), drawFunction));
+					regions.Add(new Region(new PointF(clientSize.Width - distanceFromAnchor, 0), new Size(distanceFromAnchor, clientSize.Height), drawFunction));
 					break;
 				case AnchorStyles.None:
 					throw new NotImplementedException();