diff --git a/plat/rockchip/rk3399/drivers/dram/dram.c b/plat/rockchip/rk3399/drivers/dram/dram.c
index 5f6f0fc..1dfb3e5 100644
--- a/plat/rockchip/rk3399/drivers/dram/dram.c
+++ b/plat/rockchip/rk3399/drivers/dram/dram.c
@@ -30,6 +30,7 @@
 
 #include <dram.h>
 #include <plat_private.h>
+#include <secure.h>
 #include <soc.h>
 #include <rk3399_def.h>