diff --git a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
index 66bd340..6d91147 100644
--- a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
+++ b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
@@ -42,7 +42,7 @@
 
 		ok_led {
 			label = "status-ok";
-			linux,default-trigger = "default-on";
+			linux,default-trigger = "timer";
 #ifdef IFACE_V_1_0
 			gpios = <&max14830 9 GPIO_ACTIVE_HIGH>;
 #else
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 1cc67d9..dd3330f 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -72,6 +72,7 @@
 CZECHLIGHT_CFG_FS_SIZE="256M"
 CZECHLIGHT_CFG_FS_PERSIST_SYSREPO=y
 CZECHLIGHT_CFG_FS_PERSIST_KEYS=y
+BR2_PACKAGE_CZECHLIGHT_CLEARFOG_LEDS_BOOT=y
 CZECHLIGHT_RAUC_ROOTFS=y
 CZECHLIGHT_RAUC_COMPATIBLE="czechlight-clearfog"
 CZECHLIGHT_RAUC_SLOT_A_ROOTFS_DEV="/dev/mmcblk0p1"
diff --git a/package/Config.in b/package/Config.in
index 17cd498..cc97cbe 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1,5 +1,6 @@
 source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/cla-sysrepo/Config.in"
 source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/czechlight-cfg-fs/Config.in"
+source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/czechlight-clearfog-leds-boot/Config.in"
 source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/czechlight-rauc/Config.in"
 source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/czechlight-separate-boot/Config.in"
 source "$BR2_EXTERNAL_CZECHLIGHT_PATH/package/grub2-tools/Config.in"
diff --git a/package/czechlight-clearfog-leds-boot/Config.in b/package/czechlight-clearfog-leds-boot/Config.in
new file mode 100644
index 0000000..88e47ff
--- /dev/null
+++ b/package/czechlight-clearfog-leds-boot/Config.in
@@ -0,0 +1,4 @@
+config BR2_PACKAGE_CZECHLIGHT_CLEARFOG_LEDS_BOOT
+	bool "Indicate a successful boot via LEDs"
+	depends on CZECHLIGHT_RAUC_ROOTFS
+	depends on BR2_INIT_SYSTEMD
diff --git a/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds-boot.mk b/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds-boot.mk
new file mode 100644
index 0000000..8d0896a
--- /dev/null
+++ b/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds-boot.mk
@@ -0,0 +1,9 @@
+define CZECHLIGHT_CLEARFOG_LEDS_BOOT_INSTALL_TARGET_CMDS
+	mkdir -p $(TARGET_DIR)/usr/lib/systemd/system/multi-user.target.wants/
+	$(INSTALL) -D -m 0644 \
+		$(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/
+	ln -sf ../czechlight-clearfog-leds.service $(TARGET_DIR)/usr/lib/systemd/system/multi-user.target.wants/
+endef
+
+$(eval $(generic-package))
diff --git a/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds.service b/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds.service
new file mode 100644
index 0000000..3ad6202
--- /dev/null
+++ b/package/czechlight-clearfog-leds-boot/czechlight-clearfog-leds.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Indicate a successful boot via LEDs
+Requires=multi-user.target
+After=multi-user.target
+
+[Service]
+Type=oneshot
+ExecStartPre=/bin/sh -c '[ "$(/bin/systemctl list-units --failed --all --no-legend --no-pager)" == "" ]'
+ExecStart=/bin/sh -c 'echo default-on > /sys/class/leds/status-ok/trigger'