diff --git a/include/ntapi/nt_process.h b/include/ntapi/nt_process.h
index bc4eb37..ad510a6 100644
--- a/include/ntapi/nt_process.h
+++ b/include/ntapi/nt_process.h
@@ -619,6 +619,8 @@ typedef struct _nt_spawn_process_params {
 	__out		nt_process_basic_information	pbi;
 	__out		nt_event_basic_information	eready;
 	__in		nt_runtime_data *		rtctx;
+	__in		void *				hroot;
+	__in		void *				hcwd;
 	__in		void *				hsession;
 	__in		void *				htoken;
 	__in		void *				himage;