diff --git a/BizHawk.Client.Common/Global.cs b/BizHawk.Client.Common/Global.cs
index 367feb4083..6f7d4e46fd 100644
--- a/BizHawk.Client.Common/Global.cs
+++ b/BizHawk.Client.Common/Global.cs
@@ -130,6 +130,8 @@ namespace BizHawk.Client.Common
 						return SystemInfo.Coleco;
 					case "GBA":
 						return SystemInfo.GBA;
+					case "NDS":
+						return SystemInfo.NDS;
 					case "N64":
 						return SystemInfo.N64;
 					case "SAT":
diff --git a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
index cf8783c48d..2a5d46c036 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
@@ -339,6 +339,8 @@ namespace BizHawk.Client.EmuHawk
 			//otherwise, have the filter program untransform it
 			Vector2 v = new Vector2(p.X, p.Y);
 			v = CurrentFilterProgram.UntransformPoint("default",v);
+			if (Global.SystemInfo.System == ApiHawk.CoreSystem.NintendoDS)
+				v.Y = 2 * v.Y - (Global.Emulator as IVideoProvider).BufferHeight;
 			return new Point((int)v.X, (int)v.Y);
 		}