diff --git a/operation/format_partition.sh b/operation/format_partition.sh
index 216f199..fe37713 100755
--- a/operation/format_partition.sh
+++ b/operation/format_partition.sh
@@ -61,10 +61,10 @@ format_partition ()
 	info "formating device "$devname" as "$fs_type" filesystem"
 	case ${fs_type} in
 		ext2)
-		 	mkfs.ext2 -F "$devname" 1>>"$DEV_LOG" 2>&1
+		 	mkfs.ext2 -F -I 128 "$devname" 1>>"$DEV_LOG" 2>&1
 		;;
 		ext3)
-			mkfs.ext3 -F "$devname" 1>>"$DEV_LOG" 2>&1
+			mkfs.ext3 -F -I 128 "$devname" 1>>"$DEV_LOG" 2>&1
 		;;
 		reiserfs)
 			yes | mkfs.reiserfs -f "$devname"  1>>"$DEV_LOG" 2>&1