diff --git a/board/cavium/thunderx/Makefile b/board/cavium/thunderx/Makefile
index 306044a..c78c414 100644
--- a/board/cavium/thunderx/Makefile
+++ b/board/cavium/thunderx/Makefile
@@ -5,4 +5,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y	:= thunderx.o
+obj-y	:= thunderx.o atf.o