diff --git a/board/CZ.NIC/turris_mox/Makefile b/board/CZ.NIC/turris_mox/Makefile
index 6197042..33a52b6 100644
--- a/board/CZ.NIC/turris_mox/Makefile
+++ b/board/CZ.NIC/turris_mox/Makefile
@@ -2,4 +2,4 @@
 #
 # Copyright (C) 2018 Marek Behun <marek.behun@nic.cz>
 
-obj-y	:= turris_mox.o
+obj-y	:= turris_mox.o mox_sp.o