diff --git a/plat/allwinner/common/sunxi_common.c b/plat/allwinner/common/sunxi_common.c
index 27321cc..d47d360 100644
--- a/plat/allwinner/common/sunxi_common.c
+++ b/plat/allwinner/common/sunxi_common.c
@@ -26,7 +26,7 @@
 	MAP_REGION(SUNXI_DRAM_BASE, SUNXI_DRAM_VIRT_BASE, SUNXI_DRAM_SEC_SIZE,
 		   MT_RW_DATA | MT_SECURE),
 	MAP_REGION(PRELOADED_BL33_BASE, SUNXI_BL33_VIRT_BASE,
-		   SUNXI_DRAM_MAP_SIZE, MT_RO_DATA | MT_NS),
+		   SUNXI_DRAM_MAP_SIZE, MT_RW_DATA | MT_NS),
 	{},
 };