diff --git a/configs/calimain_defconfig b/configs/calimain_defconfig
index 489d85f..48422dd 100644
--- a/configs/calimain_defconfig
+++ b/configs/calimain_defconfig
@@ -10,6 +10,7 @@
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_STOP_STR="\x0b"
 CONFIG_CMD_ASKENV=y
+CONFIG_CRC32_VERIFY=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y