diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 5c65a89c4a85a84d43a9bbefa2028c7df78a4abf..48cc4ed6f629ebbf1229603aca99840edcc4f051 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -179,7 +179,7 @@
 
 #define CONFIG_SYS_NO_FLASH
 
-#define CONFIG_SYS_MONITOR_LEN		(512 << 10)	/* 512 KiB */
+#define CONFIG_SYS_MONITOR_LEN		(768 << 10)	/* 768 KiB */
 #define CONFIG_IDENT_STRING		" Allwinner Technology"
 
 #define CONFIG_ENV_OFFSET		(544 << 10) /* (8 + 24 + 512) KiB */