diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 6661302..ed0c2a6 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -70,6 +70,7 @@
 BR2_PACKAGE_HOST_MTOOLS=y
 CZECHLIGHT_CFG_FS_SIZE="256M"
 CZECHLIGHT_CFG_FS_PERSIST_SYSREPO=y
+CZECHLIGHT_CFG_FS_PERSIST_KEYS=y
 CZECHLIGHT_RAUC_ROOTFS=y
 CZECHLIGHT_RAUC_COMPATIBLE="czechlight-clearfog"
 CZECHLIGHT_RAUC_SLOT_A_ROOTFS_DEV="/dev/mmcblk0p1"