diff --git a/configs/sandbox_noblk_defconfig b/configs/sandbox_noblk_defconfig
index 10e12bf..3f8e70d 100644
--- a/configs/sandbox_noblk_defconfig
+++ b/configs/sandbox_noblk_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MD5SUM=y
 CONFIG_LOOPW=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_MX_CYCLIC=y