diff --git a/src/Graphics/GraphicsAdapter.cs b/src/Graphics/GraphicsAdapter.cs
index 4989a93..1e6074d 100644
--- a/src/Graphics/GraphicsAdapter.cs
+++ b/src/Graphics/GraphicsAdapter.cs
@@ -54,8 +54,10 @@ namespace Microsoft.Xna.Framework.Graphics
 
 		public bool IsDefaultAdapter
 		{
-			get;
-			private set;
+			get
+			{
+				return this == DefaultAdapter;
+			}
 		}
 
 		/// <summary>
@@ -161,13 +163,11 @@ namespace Microsoft.Xna.Framework.Graphics
 		internal GraphicsAdapter(
 			DisplayMode currentMode,
 			DisplayModeCollection modes,
-			string description,
-			bool isDefault
+			string description
 		) {
 			CurrentDisplayMode = currentMode;
 			SupportedDisplayModes = modes;
 			Description = description;
-			IsDefaultAdapter = isDefault;
 			UseNullDevice = false;
 			UseReferenceDevice = false;
 		}
diff --git a/src/SDL2/SDL2_FNAPlatform.cs b/src/SDL2/SDL2_FNAPlatform.cs
index 5917d6c..90f6ff0 100644
--- a/src/SDL2/SDL2_FNAPlatform.cs
+++ b/src/SDL2/SDL2_FNAPlatform.cs
@@ -521,8 +521,7 @@ namespace Microsoft.Xna.Framework
 						SurfaceFormat.Color // FIXME: Assumption!
 					),
 					new DisplayModeCollection(modes),
-					SDL.SDL_GetDisplayName(i),
-					i == 0
+					SDL.SDL_GetDisplayName(i)
 				);
 			}
 			return adapters;