diff --git a/include/ntapi/nt_tty.h b/include/ntapi/nt_tty.h
index 7dd3baf..c2456ce 100644
--- a/include/ntapi/nt_tty.h
+++ b/include/ntapi/nt_tty.h
@@ -258,6 +258,15 @@ typedef struct __attr_ptr_size_aligned__ _nt_tty_peer_msg {
 } nt_tty_peer_msg;
 
 
+typedef struct __attr_ptr_size_aligned__ _nt_tty_pid_msg {
+	nt_port_message			header;
+	struct {
+		nt_tty_msg_info		ttyinfo;
+		nt_user_process_info	pidinfo;
+	} data;
+} nt_tty_pid_msg;
+
+
 typedef struct __attr_ptr_size_aligned__ _nt_pty_fd_msg {
 	nt_port_message			header;
 	struct {