diff --git a/plat/allwinner/sun50i_a64/platform.mk b/plat/allwinner/sun50i_a64/platform.mk
index 074a64b..49764e0 100644
--- a/plat/allwinner/sun50i_a64/platform.mk
+++ b/plat/allwinner/sun50i_a64/platform.mk
@@ -28,6 +28,7 @@
 				plat/common/plat_gicv2.c		\
 				plat/common/plat_psci_common.c		\
 				${AW_PLAT}/common/sunxi_bl31_setup.c	\
+				${AW_PLAT}/common/sunxi_cpu_ops.c	\
 				${AW_PLAT}/common/sunxi_pm.c		\
 				${AW_PLAT}/common/sunxi_topology.c