diff --git a/include/winbase.h b/include/winbase.h
index 6bb48665905..c3dc64c557f 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -187,6 +187,9 @@ typedef struct _OFSTRUCT
 #define COPY_FILE_FAIL_IF_EXISTS        0x00000001
 #define COPY_FILE_RESTARTABLE           0x00000002
 #define COPY_FILE_OPEN_SOURCE_FOR_WRITE 0x00000004
+#define COPY_FILE_ALLOW_DECRYPTED_DESTINATION  0x00000008
+#define COPY_FILE_COPY_SYMLINK          0x00000800
+#define COPY_FILE_NO_BUFFERING          0x00001000
 
 /* return values for CopyProgressRoutine */
 #define PROGRESS_CONTINUE   0