diff --git a/include/ntapi/nt_file.h b/include/ntapi/nt_file.h
index 3bdd085..e14c0d0 100644
--- a/include/ntapi/nt_file.h
+++ b/include/ntapi/nt_file.h
@@ -295,6 +295,13 @@ typedef enum _nt_fs_info_class {
 #define	NT_FILE_READ_ATTRIBUTES		(0x0080u)
 #define	NT_FILE_WRITE_ATTRIBUTES	(0x0100u)
 
+#define NT_FILE_GENERIC_WRITE		NT_FILE_WRITE_ATTRIBUTES \
+					| NT_FILE_WRITE_DATA \
+					| NT_FILE_WRITE_EA \
+					| NT_FILE_APPEND_DATA \
+					| NT_SEC_READ_CONTROL \
+					| NT_SEC_SYNCHRONIZE
+
 #define NT_FILE_ALL_ACCESS		NT_FILE_ANY_ACCESS \
 					| NT_FILE_READ_ACCESS \
 					| NT_FILE_WRITE_ACCESS \