diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 7efb4eb..41a2e34 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -18,6 +18,7 @@
 CONFIG_PRE_CON_BUF_ADDR=0x100000
 CONFIG_LOG=y
 CONFIG_LOG_MAX_LEVEL=6
+CONFIG_LOG_ERROR_RETURN=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_LICENSE=y
 CONFIG_CMD_BOOTZ=y