diff --git a/openmptcprouter/files/etc/uci-defaults/2030-omr-fstab b/openmptcprouter/files/etc/uci-defaults/2030-omr-fstab
index 575d0e238..15f2dd49f 100755
--- a/openmptcprouter/files/etc/uci-defaults/2030-omr-fstab
+++ b/openmptcprouter/files/etc/uci-defaults/2030-omr-fstab
@@ -4,11 +4,11 @@
 _set_fsck() {
 	uci -q batch <<-EOF >/dev/null
 		set "fstab.$1.enabled=1"
-		set "fstab.$1.enable_fsck=1"
+		set "fstab.$1.enabled_fsck=1"
 	EOF
 }
 
-/sbin/block detect > /etc/config/fstab
+[ -z "$(uci show fstab | grep mount)" ] && /sbin/block detect > /etc/config/fstab
 uci -q set fstab.@global[0].check_fs='1'
 config_load fstab
 config_foreach _set_fsck mount