diff --git a/plat/rockchip/px30/include/platform_def.h b/plat/rockchip/px30/include/platform_def.h
index 8e70a70..9dccab8 100644
--- a/plat/rockchip/px30/include/platform_def.h
+++ b/plat/rockchip/px30/include/platform_def.h
@@ -79,7 +79,7 @@
 /*
  * Put BL3-1 at the top of the Trusted RAM
  */
-#define BL31_BASE		(TZRAM_BASE + 0x10000)
+#define BL31_BASE		(TZRAM_BASE + 0x40000)
 #define BL31_LIMIT		(TZRAM_BASE + TZRAM_SIZE)
 
 /*******************************************************************************