diff --git a/include/configs/board953x.h b/include/configs/board953x.h
index 6a6d13b..b2e9956 100755
--- a/include/configs/board953x.h
+++ b/include/configs/board953x.h
@@ -97,7 +97,7 @@
  * Defines to change flash size on reboot
  */
 #ifdef ENABLE_DYNAMIC_CONF
-#define UBOOT_FLASH_SIZE		(256 * 1024)
+#define UBOOT_FLASH_SIZE		(320 * 1024)
 #define UBOOT_ENV_SEC_START		(CFG_FLASH_BASE + UBOOT_FLASH_SIZE)
 
 #define CFG_FLASH_MAGIC			0xaabacada