diff --git a/include/ntapi/nt_tty.h b/include/ntapi/nt_tty.h
index 1ea90b7..95e1715 100644
--- a/include/ntapi/nt_tty.h
+++ b/include/ntapi/nt_tty.h
@@ -238,7 +238,7 @@ typedef enum _nt_tty_log_info_type {
 
 
 typedef struct __attr_ptr_size_aligned__ _nt_tty_msg_info {
-	uintptr_t	msgid;
+	uintptr_t	opdata;
 	uint32_t	opcode;
 	int32_t		status;
 	void *		exarg;