diff --git a/BizHawk.Emulation.Common/Base Implementations/NullEmulator.cs b/BizHawk.Emulation.Common/Base Implementations/NullEmulator.cs
index 7c34d89ebe..07f54c0627 100644
--- a/BizHawk.Emulation.Common/Base Implementations/NullEmulator.cs	
+++ b/BizHawk.Emulation.Common/Base Implementations/NullEmulator.cs	
@@ -100,15 +100,15 @@ namespace BizHawk.Emulation.Common
 			return _frameBuffer;
 		}
 
-		public int VirtualWidth => 256;
+		public int VirtualWidth => NullVideo.DefaultWidth;
 
-		public int VirtualHeight => 192;
+		public int VirtualHeight => NullVideo.DefaultHeight;
 
-		public int BufferWidth => 256;
+		public int BufferWidth => NullVideo.DefaultWidth;
 
-		public int BufferHeight => 192;
+		public int BufferHeight => NullVideo.DefaultHeight;
 
-		public int BackgroundColor => 0;
+		public int BackgroundColor => NullVideo.DefaultBackgroundColor;
 
 		#endregion
 
diff --git a/BizHawk.Emulation.Common/Base Implementations/NullVideo.cs b/BizHawk.Emulation.Common/Base Implementations/NullVideo.cs
index 9db6af1ccd..e607547a44 100644
--- a/BizHawk.Emulation.Common/Base Implementations/NullVideo.cs	
+++ b/BizHawk.Emulation.Common/Base Implementations/NullVideo.cs	
@@ -14,14 +14,18 @@
 
 		public static NullVideo Instance { get; } = new NullVideo();
 
-		public int VirtualWidth => 256;
+		public static int DefaultWidth { get; } = 256;
+		public static int DefaultHeight { get; } = 192;
+		public static int DefaultBackgroundColor { get; } = 0;
 
-		public int VirtualHeight => 192;
+		public int VirtualWidth => DefaultWidth;
 
-		public int BufferWidth => 256;
+		public int VirtualHeight => DefaultHeight;
 
-		public int BufferHeight => 192;
+		public int BufferWidth => DefaultWidth;
 
-		public int BackgroundColor => 0;
+		public int BufferHeight => DefaultHeight;
+
+		public int BackgroundColor => DefaultBackgroundColor;
 	}
 }