diff --git a/src/SDL2.cs b/src/SDL2.cs
index 46c290c..1296afa 100644
--- a/src/SDL2.cs
+++ b/src/SDL2.cs
@@ -7223,6 +7223,7 @@ namespace SDL2
 		{
 			public IntPtr window; // Refers to an HWND
 			public IntPtr hdc; // Refers to an HDC
+			public IntPtr hinstance; // Refers to an HINSTANCE
 		}
 
 		[StructLayout(LayoutKind.Sequential)]