diff --git a/chr.sh b/chr.sh
index 683c3cd..a71cb0e 100644
--- a/chr.sh
+++ b/chr.sh
@@ -1,20 +1,13 @@
-dd if=/dev/zero of=/dev/sda  bs=1 count=512
-sgdisk --set-alignment=2 \
-    --new=1::+32M --typecode=1:8300 --change-name=1:"RouterOS Boot" --attributes=1:set:2 \
-    --new=2::-0 --typecode=2:8300 --change-name=2:"RouterOS" \
-    --gpttombr=1:2 \
-    /dev/sda
+dd if=/dev/zero of=/dev/sda bs=1 count=512 conv=notrunc
+sgdisk --set-alignment=2 --new=1::+32M --typecode=1:8300 --change-name=1:"RouterOS Boot" --attributes=1:set:2 --new=2::-0 --typecode=2:8300 --change-name=2:"RouterOS" --gpttombr=1:2 /dev/sda
 dd if=/dev/sda of=pt.bin bs=1 count=66 skip=446
 echo -e "\x80" | dd of=pt.bin  bs=1 count=1  conv=notrunc
-dd if=/dev/zero of=/dev/sda  bs=1 count=512
-sgdisk --set-alignment=2 \
-    --new=1::+32M --typecode=1:8300 --change-name=1:"RouterOS Boot" --attributes=1:set:2 \
-    --new=2::-0 --typecode=2:8300 --change-name=2:"RouterOS" \
-    /dev/sda
+dd if=/dev/zero of=/dev/sda  bs=1 count=512 conv=notrunc
+sgdisk --set-alignment=2 --new=1::+32M --typecode=1:8300 --change-name=1:"RouterOS Boot" --attributes=1:set:2 --new=2::-0 --typecode=2:8300 --change-name=2:"RouterOS" /dev/sda
 wget -O mbr.bin https://raw.gitmirror.com/elseif/MikroTikPatch/main/mbr.bin
 dd if=mbr.bin of=/dev/sda  bs=1 count=446 conv=notrunc
 dd if=pt.bin of=/dev/sda  bs=1 count=66 seek=446 conv=notrunc
-
+sync
 partprobe /dev/sda
 
 mkfs.vfat -n "Boot" /dev/sda1