diff --git a/bash/rescue-hetzner.sh b/bash/rescue-hetzner.sh
index 6386621..142e07d 100644
--- a/bash/rescue-hetzner.sh
+++ b/bash/rescue-hetzner.sh
@@ -75,11 +75,8 @@ rescue_wipe_0_init_hetzner_8_8() {
 		--uuid "00000000:00000000:00000000:00000002" \
 		"${members[@]}"
 	#
-	mkfs.btrfs --force \
-		--checksum "sha256" \
-		--label "boot" \
-		--uuid "00000000-0000-0000-0000-00000000000b" \
-		"/dev/md/boot"
+	fs_make_btrfs "/dev/md/boot" "boot" \
+		"00000000-0000-0000-0000-00000000000b"
 	# mount boot
 	mkdir --parents "/media/boot"
 	mount \
@@ -154,11 +151,8 @@ rescue_wipe_2_make_hetzner_8_8() {
 	# passphrase
 	unset passphrase
 	# format crypt
-	mkfs.btrfs --force \
-		--checksum "sha256" \
-		--label "crypt" \
-		--uuid "00000000-0000-0000-0000-00000000000c" \
-		"/dev/mapper/crypt"
+	fs_make_btrfs "/dev/mapper/crypt" "crypt" \
+		"00000000-0000-0000-0000-00000000000c"
 	# mount crypt
 	mkdir --parents "/media/crypt"
 	mount \
diff --git a/bash/rescue-ovh.sh b/bash/rescue-ovh.sh
index 0683acf..4792c6c 100644
--- a/bash/rescue-ovh.sh
+++ b/bash/rescue-ovh.sh
@@ -29,11 +29,8 @@ rescue_wipe_0_init_ovh_vle2() {
 	# boot / wipe
 	fs_wipe "${device}2" "1G" 1
 	# boot / format
-	mkfs.btrfs --force \
-		--checksum "sha256" \
-		--label "boot" \
-		--uuid "00000000-0000-0000-0000-00000000000b" \
-		"${device}2"
+	fs_make_btrfs "${device}2" "boot" \
+		"00000000-0000-0000-0000-00000000000b"
 	# boot / mount
 	mkdir --parents "/media/boot"
 	mount --options "autodefrag,compress-force=zstd" \
@@ -88,11 +85,8 @@ rescue_wipe_2_make_ovh_vle2() {
 	# passphrase
 	unset passphrase
 	# crypt / format
-	mkfs.btrfs --force \
-		--checksum "sha256" \
-		--label "crypt" \
-		--uuid "00000000-0000-0000-0000-00000000000c" \
-		"/dev/mapper/crypt"
+	fs_make_btrfs "/dev/mapper/crypt" "crypt" \
+		"00000000-0000-0000-0000-00000000000c"
 	# crypt / mount
 	mkdir --parents "/media/crypt"
 	mount --options "autodefrag,compress-force=zstd" \