diff --git a/src/mame/machine/atarifb.cpp b/src/mame/machine/atarifb.cpp
index e7c2e6aec93..5917fb05ef1 100644
--- a/src/mame/machine/atarifb.cpp
+++ b/src/mame/machine/atarifb.cpp
@@ -1,4 +1,4 @@
-// license:???
+// license:BSD-3-Clause
 // copyright-holders:Mike Balfour, Patrick Lawrence, Brad Oliver
 /*************************************************************************