diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 01830c7..019e415 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -338,6 +338,7 @@
 CONFIG_TPM=y
 CONFIG_SHA384=y
 CONFIG_ERRNO_STR=y
+CONFIG_GETOPT=y
 CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
 CONFIG_EFI_CAPSULE_ON_DISK=y
 CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y