diff --git a/src/emu/cpu/es5510/es5510.c b/src/emu/cpu/es5510/es5510.c
index ae1a4f37c6c..77b88b5d861 100644
--- a/src/emu/cpu/es5510/es5510.c
+++ b/src/emu/cpu/es5510/es5510.c
@@ -1,4 +1,4 @@
-// license:???
+// license:BSD-3-Clause
 // copyright-holders:Christian Brunschen
 /***************************************************************************
  *
diff --git a/src/emu/cpu/es5510/es5510.h b/src/emu/cpu/es5510/es5510.h
index d2a5b5f7523..b3e12cba119 100644
--- a/src/emu/cpu/es5510/es5510.h
+++ b/src/emu/cpu/es5510/es5510.h
@@ -1,4 +1,4 @@
-// license:???
+// license:BSD-3-Clause
 // copyright-holders:Christian Brunschen
 /**********************************************************************************************
  *
diff --git a/src/emu/sound/esqpump.c b/src/emu/sound/esqpump.c
index ed85dd88e39..147f97786ca 100644
--- a/src/emu/sound/esqpump.c
+++ b/src/emu/sound/esqpump.c
@@ -1,4 +1,4 @@
-// license:???
+// license:BSD-3-Clause
 // copyright-holders:Christian Brunschen
 /***************************************************************************
 
diff --git a/src/emu/sound/esqpump.h b/src/emu/sound/esqpump.h
index 666300b4a03..bc2c72f8a72 100644
--- a/src/emu/sound/esqpump.h
+++ b/src/emu/sound/esqpump.h
@@ -1,4 +1,4 @@
-// license:???
+// license:BSD-3-Clause
 // copyright-holders:Christian Brunschen
 #pragma once