diff --git a/plat/imx/imx7/common/imx7.mk b/plat/imx/imx7/common/imx7.mk
index 849ddcd..3a95772 100644
--- a/plat/imx/imx7/common/imx7.mk
+++ b/plat/imx/imx7/common/imx7.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -58,12 +58,13 @@
 AUTH_SOURCES	:=	drivers/auth/auth_mod.c			\
 			drivers/auth/crypto_mod.c		\
 			drivers/auth/img_parser_mod.c		\
-			drivers/auth/tbbr/tbbr_cot.c
+			drivers/auth/tbbr/tbbr_cot_common.c
 
 BL2_SOURCES		+=	${AUTH_SOURCES}					\
 				plat/common/tbbr/plat_tbbr.c			\
 				plat/imx/imx7/common/imx7_trusted_boot.c	\
-				plat/imx/imx7/common/imx7_rotpk.S
+				plat/imx/imx7/common/imx7_rotpk.S		\
+				drivers/auth/tbbr/tbbr_cot_bl2.c
 
 ROT_KEY             = $(BUILD_PLAT)/rot_key.pem
 ROTPK_HASH          = $(BUILD_PLAT)/rotpk_sha256.bin