diff --git a/src/arch/i386/prefix/undiloader.S b/src/arch/i386/prefix/undiloader.S
index 6fab3a34..951b5c1c 100644
--- a/src/arch/i386/prefix/undiloader.S
+++ b/src/arch/i386/prefix/undiloader.S
@@ -1,3 +1,5 @@
+FILE_LICENCE ( GPL2_OR_LATER )
+
 	.text
 	.code16
 	.arch i386