diff --git a/src/mame/machine/r2crypt.c b/src/mame/machine/r2crypt.c
index 0fb37fa4e58..46f2cf5eac0 100644
--- a/src/mame/machine/r2crypt.c
+++ b/src/mame/machine/r2crypt.c
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Andreas Naive
+// copyright-holders:Andreas Naive,Olivier Galibert
 /* Raiden 2 Sprite Decryption */
 
 #include "emu.h"