diff --git a/plat/renesas/rcar/bl2_plat_mem_params_desc.c b/plat/renesas/rcar/bl2_plat_mem_params_desc.c
index 728eac622833a815a9c128b07abfc2e1f5b86dd6..3dc9eff59f15e422d7e4706b8e2c631e829fc346 100644
--- a/plat/renesas/rcar/bl2_plat_mem_params_desc.c
+++ b/plat/renesas/rcar/bl2_plat_mem_params_desc.c
@@ -72,7 +72,7 @@ static bl_mem_params_node_t bl2_mem_params_descs[] = {
 #ifdef RCAR_BL33_ARG0
 		.ep_info.args.arg0 = RCAR_BL33_ARG0,
 #endif
-		.ep_info.args.arg3 = (uintptr_t)fdt_blob,
+		.ep_info.args.arg1 = (uintptr_t)fdt_blob,
 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
 			image_info_t, 0),
 		.image_info.image_max_size =