diff --git a/board/CZ.NIC/turris_omnia/Makefile b/board/CZ.NIC/turris_omnia/Makefile
index 216e119..d1ef5cb 100644
--- a/board/CZ.NIC/turris_omnia/Makefile
+++ b/board/CZ.NIC/turris_omnia/Makefile
@@ -4,3 +4,4 @@
 
 obj-y	:= turris_omnia.o ../turris_atsha_otp.o ../turris_common.o
 obj-$(CONFIG_CMD_EEPROM_LAYOUT)	+= eeprom.o
+obj-$(CONFIG_SPL_BUILD)		+= old_ddr3_training.o