diff --git a/board/czechlight/clearfog/overlay/etc/rauc/system.conf b/board/czechlight/clearfog/overlay/etc/rauc/system.conf
index 8de0da8..11cf7c5 100644
--- a/board/czechlight/clearfog/overlay/etc/rauc/system.conf
+++ b/board/czechlight/clearfog/overlay/etc/rauc/system.conf
@@ -4,8 +4,19 @@
 
 [slot.rootfs.0]
 device=/dev/mmcblk0p1
+type=ext4
 bootname=A
 
-[slot.rootfs.1]
+[slot.cfg.0]
 device=/dev/mmcblk0p2
+type=ext4
+parent=rootfs.0
+
+[slot.rootfs.1]
+device=/dev/mmcblk0p3
 bootname=B
+
+[slot.cfg.1]
+device=/dev/mmcblk0p4
+type=ext4
+parent=rootfs.1