diff --git a/src/soc/rockchip/rk3399/Makefile.inc b/src/soc/rockchip/rk3399/Makefile.inc
index a526bb7eeb..8eb0a02d47 100644
--- a/src/soc/rockchip/rk3399/Makefile.inc
+++ b/src/soc/rockchip/rk3399/Makefile.inc
@@ -76,7 +76,7 @@ ramstage-y += ../common/vop.c
 ramstage-y += usb.c
 
 ramstage-y += bl31_plat_params.c
-BL31_MAKEARGS += PLAT=rk3399
+BL31_MAKEARGS += PLAT=rk3399 M0_CROSS_COMPILE="$(CROSS_COMPILE_arm)"
 ################################################################################
 
 CPPFLAGS_common += -Isrc/soc/rockchip/rk3399/include