diff --git a/include/ntapi/nt_process.h b/include/ntapi/nt_process.h
index ad510a6..b69aa61 100644
--- a/include/ntapi/nt_process.h
+++ b/include/ntapi/nt_process.h
@@ -311,6 +311,28 @@ typedef struct _nt_process_device_map_information {
 } nt_process_device_map_information;
 
 
+typedef struct _nt_process_startup_info {
+	uint32_t	size;
+	wchar16_t *	reserved;
+	wchar16_t *	desktop;
+	wchar16_t *	title;
+	uint32_t	dwx;
+	uint32_t	dwy;
+	uint32_t	dwxsize;
+	uint32_t	dwysize;
+	uint32_t	dwxcntchars;
+	uint32_t	dwycntchars;
+	uint32_t	dwfileattr;
+	uint32_t	dwflags;
+	uint16_t	wndshow;
+	uint16_t	pad;
+	uint8_t *	unknown;
+	void *		hstdin;
+	void *		hstdout;
+	void *		hstderr;
+} nt_process_startup_info;
+
+
 typedef struct _nt_debug_buffer {
 	void *		hsection;
 	void *		section_base;
@@ -633,6 +655,7 @@ typedef struct _nt_spawn_process_params {
 	__in		void *				hready;
 	__in		nt_timeout *			timeout;
 	__in		int				fsuspended;
+	__in		nt_process_startup_info *	startupinfo;
 } nt_spawn_process_params;