diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 08eec8e..b8d1e8c 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -15,7 +15,7 @@
 CONFIG_CONSOLE_RECORD_OUT_SIZE=0x1000
 CONFIG_SILENT_CONSOLE=y
 CONFIG_PRE_CONSOLE_BUFFER=y
-CONFIG_PRE_CON_BUF_ADDR=0
+CONFIG_PRE_CON_BUF_ADDR=0x100000
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_BOOTZ=y