diff --git a/bash/hetzner-rescue.sh b/bash/hetzner-rescue.sh
index 2dc00e3..7cde848 100644
--- a/bash/hetzner-rescue.sh
+++ b/bash/hetzner-rescue.sh
@@ -136,13 +136,14 @@ function hetzner-rescue-wipe-12-10-10 {
         '/dev/sda'
         '/dev/sdb'
     )
-    local number=0
+    local number
     local unit='mib'
     #
     lsblk
     echo -n 'WIPE' "${device}" '/?\ OR CANCEL /!\'
     read
     #
+    number=0
     for device in "${devices[@]}" ; do
         ((number++))
         echo ; echo "#${number}: ${device}"
@@ -162,8 +163,20 @@ function hetzner-rescue-wipe-12-10-10 {
         parted "${device}" unit "${unit}" \
         mkpart "bios-${number}" 1 2
         parted "${device}" set 4 bios_grub on
+    done
+    #
+    number=0
+    for device in "${devices[@]}" ; do
+        ((number++))
+        echo ; echo "#${number}: ${device}"
         # wipe bios
         dd if='/dev/zero' of="${device}4"
+    done
+    #
+    number=0
+    for device in "${devices[@]}" ; do
+        ((number++))
+        echo ; echo "#${number}: ${device}"
         # format esp
         dd if='/dev/zero' of="${device}3"
         mkfs.vfat -F 32 -n "esp-${number}" "${device}3"