diff --git a/misc/turris/omnia/uci-defaults/99-resize-disk.sh b/misc/turris/omnia/uci-defaults/99-resize-disk.sh
index 10dc924..d54d720 100644
--- a/misc/turris/omnia/uci-defaults/99-resize-disk.sh
+++ b/misc/turris/omnia/uci-defaults/99-resize-disk.sh
@@ -2,6 +2,12 @@
 
 set -eo pipefail
 
+FLAG_FILE=/root/.disk_resized
+
+if [ -f "$FLAG_FILE" ]; then
+    exit
+fi
+
 DISK=/dev/mmcblk0
 PARTITION="${DISK}p2"
 
@@ -11,5 +17,9 @@ FS_SIZE="$(unsquashfs -s "$PARTITION" | grep -o 'Filesystem size [0-9]* bytes' |
 FS_OFFSET="$(expr '(' "$FS_SIZE" + 65535 ')' / 65536 '*' 65536)"
 LOOP_DEVICE="$(losetup -f --show -o "$FS_OFFSET" "$PARTITION")"
 
-e2fsck -fy "$LOOP_DEVICE"
+e2fsck -y -f "$LOOP_DEVICE"
 resize2fs "$LOOP_DEVICE"
+
+touch "$FLAG_FILE"
+
+reboot
\ No newline at end of file