diff --git a/src/emu/sound/k053260.c b/src/emu/sound/k053260.c
index 776c0b89716..86054000829 100644
--- a/src/emu/sound/k053260.c
+++ b/src/emu/sound/k053260.c
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Ernesto Corvi
+// copyright-holders:Ernesto Corvi, Alex W. Jackson
 /*********************************************************
 
     Konami 053260 KDSC
diff --git a/src/emu/sound/k053260.h b/src/emu/sound/k053260.h
index 2652bb09e91..4a6e6353d08 100644
--- a/src/emu/sound/k053260.h
+++ b/src/emu/sound/k053260.h
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Ernesto Corvi
+// copyright-holders:Ernesto Corvi, Alex W. Jackson
 /*********************************************************
 
     Konami 053260 KDSC