diff --git a/src/SDL2.cs b/src/SDL2.cs
index 6560b4d..1803ebd 100644
--- a/src/SDL2.cs
+++ b/src/SDL2.cs
@@ -5147,25 +5147,29 @@ namespace SDL2
 		}
 
 		[StructLayout(LayoutKind.Explicit)]
-		public struct SDL_SysWMinfo
+		public struct INTERNAL_SysWMDriverUnion
 		{
 			[FieldOffset(0)]
-			public SDL_version version;
-			[FieldOffset(3)]
-			public SDL_SYSWM_TYPE subsystem;
-			[FieldOffset(7)]
 			public INTERNAL_windows_wminfo win;
-			[FieldOffset(7)]
+			[FieldOffset(0)]
 			public INTERNAL_x11_wminfo x11;
-			[FieldOffset(7)]
+			[FieldOffset(0)]
 			public INTERNAL_directfb_wminfo dfb;
-			[FieldOffset(7)]
+			[FieldOffset(0)]
 			public INTERNAL_cocoa_wminfo cocoa;
-			[FieldOffset(7)]
+			[FieldOffset(0)]
 			public INTERNAL_uikit_wminfo uikit;
 			// private int dummy;
 		}
 
+		[StructLayout(LayoutKind.Sequential)]
+		public struct SDL_SysWMinfo
+		{
+			public SDL_version version;
+			public SDL_SYSWM_TYPE subsystem;
+			public INTERNAL_SysWMDriverUnion info;
+		}
+
 		/* window refers to an SDL_Window* */
 		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
 		public static extern SDL_bool SDL_GetWindowWMInfo(