diff --git a/install-grub.sh b/install-grub.sh
index 1bdb81f..4eba337 100644
--- a/install-grub.sh
+++ b/install-grub.sh
@@ -163,10 +163,14 @@ echo "Clearing existing partitioning table."
 sgdisk -Z /dev/$dev &&
 echo
 
+# Creating BIOS boot partition.
+echo "Creating BIOS boot partition of 1 MB."
+sgdisk -n 1:0:+1M /dev/$dev &&
+echo
+
 # Creating boot partition.
-#szmn="${array[1]%?}"
 echo "Creating boot partition of 256 MB."
-sgdisk -n 1:0:+256M /dev/$dev &&
+sgdisk -n 2:0:+256M /dev/$dev &&
 echo
 
 # Setting type for EFI.
@@ -176,7 +180,7 @@ echo
 
 # Creating system partition.
 echo "Creating system partition of $szmn GB."
-sgdisk -n 2:0:0 /dev/$dev
+sgdisk -n 3:0:0 /dev/$dev
 echo
 
 # Print partitions.