diff --git a/reactos/w32api/include/winbase.h b/reactos/w32api/include/winbase.h
index a7e593a1111..5e2e649345f 100644
--- a/reactos/w32api/include/winbase.h
+++ b/reactos/w32api/include/winbase.h
@@ -181,6 +181,10 @@ extern "C" {
 #define OPEN_EXISTING	3
 #define OPEN_ALWAYS	4
 #define TRUNCATE_EXISTING	5
+#define COPY_FILE_ALLOW_DECRYPTED_DESTINATION 0x00000008
+#define COPY_FILE_FAIL_IF_EXISTS 0x00000001
+#define COPY_FILE_RESTARTABLE 0x00000002
+#define COPY_FILE_OPEN_SOURCE_FOR_WRITE 0x00000004
 #define FILE_FLAG_WRITE_THROUGH	0x80000000
 #define FILE_FLAG_OVERLAPPED	1073741824
 #define FILE_FLAG_NO_BUFFERING	536870912