diff --git a/src/emu/machine/40105.c b/src/emu/machine/40105.c
index 3333053a57f..04d55499460 100644
--- a/src/emu/machine/40105.c
+++ b/src/emu/machine/40105.c
@@ -1,3 +1,5 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
 /**********************************************************************
 
     CMOS 40105 FIFO Register emulation
diff --git a/src/emu/machine/40105.h b/src/emu/machine/40105.h
index 7786acee153..667e089d2f0 100644
--- a/src/emu/machine/40105.h
+++ b/src/emu/machine/40105.h
@@ -1,3 +1,5 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
 /**********************************************************************
 
     CMOS 40105 FIFO Register emulation