diff --git a/src/usbinstall.sh b/src/usbinstall.sh
index 7f4efce..a5c69fd 100644
--- a/src/usbinstall.sh
+++ b/src/usbinstall.sh
@@ -112,9 +112,11 @@ function errorAndExit()
 	if [ -n "$2" ]; then
 		usage
 	fi
-        if [ "${SELECT_USB}" ]; then
-           udisks --unmount ${SELECT_USB}1 >/dev/null
-           udisks --unmount ${SELECT_USB}2 >/dev/null
+        if [ "${SELECT_USB1}" ]; then
+           udisksctl unmount -b ${SELECT_USB1} >/dev/null
+        fi
+        if [ "${SELECT_USB2}" ]; then
+           udisksctl unmount -b ${SELECT_USB2} >/dev/null
         fi
 	exit_frontend "$1" # Termina il frontend con codice di errore 1
 	exit 1
@@ -157,9 +159,8 @@ fi
 
 # Check if Arg 1 is valid
 if [ -b "$1" ]; then	# If is a block device
-	ISKEY=`dbus_properties_get_bool org.freedesktop.UDisks /org/freedesktop/UDisks/devices/${1/*\/} \
-		org.freedesktop.UDisks.Device DeviceIsRemovable`
-	if [ "$ISKEY" = "true" ]; then	# If is a usb
+	ISKEY=`udisksctl info -b $1 | grep HintSystem | sed "s|.*[[:space:]]||"`
+	if [ "$ISKEY" = "true" -o "$CONFIRM" = "0" ]; then	# If is a usb
 		export SELECT_USB=$1
 	else # If not, user can choose
 		echo $"Warning: you haven't choosen a removable device ($1). Are you sure to continue? [yes/no]"
@@ -177,6 +178,14 @@ else
 	errorAndExit $"Error(Arg 1): \"$1\" isn't a block device" 1
 fi
 
+if [ "${SELECT_USB:0:9}" = "/dev/loop" ]; then
+   SELECT_USB1=${SELECT_USB}p1
+   SELECT_USB2=${SELECT_USB}p2
+else
+   SELECT_USB1=${SELECT_USB}1
+   SELECT_USB2=${SELECT_USB}2
+fi
+
 # Check if Arg 2 is valid
 if [ -r "$2" ]; then	# Check it is readable
    # Check if Arg 2 is an iso file
@@ -190,8 +199,8 @@ fi
 
 # Check if Arg 3 is valid
 if [ "$3" ]; then
-   if [ "$3" != "-d" -a "$3" != "-t" ]; then	# Check it is readable
-      errorAndExit $"Error(Arg 3): \"$3\" is not -d nor -t" 1
+   if [ "$3" != "-d" -a "$3" != "-y" ]; then	# Check it is readable
+      errorAndExit $"Error(Arg 3): \"$3\" is not -d nor -y" 1
    fi
 fi
 
@@ -208,12 +217,11 @@ trap "[ \"$CPPID\" ] && kill -9 $CPPID" HUP INT QUIT ABRT KILL TERM
 set_status $"Unmount usb device"
 echo $"Unmount usb device"
 
-DEVICEISMOUNTED=`dbus_properties_get_bool org.freedesktop.UDisks /org/freedesktop/UDisks/devices/${SELECT_USB/*\/}1 \
-org.freedesktop.UDisks.Device DeviceIsMounted`
+DEVICEMOUNTPOINTS=`udisksctl info -b ${SELECT_USB1} | grep MountPoints: | sed "s|.*[[:space:]]||"`
 
-if [ "$DEVICEISMOUNTED" = "true" ]; then
-   LANG=C udisks --unmount ${SELECT_USB}1 | grep failed && { 
-	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB}1)"
+if [ "$DEVICEMOUNTPOINTS" ]; then
+   LANG=C udiskctl unmount -b ${SELECT_USB1} || { 
+	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB1})"
    }
 fi
 set_pbar 2
@@ -258,29 +266,28 @@ set_pbar 5
 
 set_status $"Formatting $SELECT_USB..."
 echo $"Formatting $SELECT_USB..."
-sudo mkfs.vfat ${SELECT_USB}1 -n EFI &>>$LOGFILE
+sudo mkfs.vfat ${SELECT_USB1} -n EFI &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit $"Error:"" \"mkfs.vfat\" "$"exit with error (see $LOGFILE)"
 fi
-sudo mkfs.ext4 ${SELECT_USB}2 -L openmamba_live &>>$LOGFILE
+sudo mkfs.ext4 ${SELECT_USB2} -L openmamba_live &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit $"Error:"" \"mkfs.ext4\" "$"exit with error (see $LOGFILE)"
 fi
 
 sleep 1
-LANG=C udisks --mount ${SELECT_USB}1 &>>$LOGFILE
+LANG=C udisksctl mount -b ${SELECT_USB1} &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit $"Error:"" \"udisks --mount\" "$"exit with error (see $LOGFILE)"
 fi
-LANG=C udisks --mount ${SELECT_USB}2 &>>$LOGFILE
+LANG=C udisksctl mount -b ${SELECT_USB2} &>>$LOGFILE
 if [ "$?" != "0" ]; then
    errorAndExit $"Error:"" \"udisks --mount\" "$"exit with error (see $LOGFILE)"
 fi
 set_pbar 30
 
 # Riceve la mountdir della chiavetta da dbus
-MOUNTDIR_EFI=`dbus_properties_get_stringlist org.freedesktop.UDisks /org/freedesktop/UDisks/devices/${SELECT_USB/*\/}1 \
-org.freedesktop.UDisks.Device DeviceMountPaths`
+MOUNTDIR_EFI=`udisksctl info -b ${SELECT_USB1} | grep -m1 MountPoints: | sed "s|.*[[:space:]]||"`
 
 if [ ! -d "$MOUNTDIR_EFI" ]; then
    errorAndExit $"Error: unable to found usb mount path"
@@ -304,8 +311,7 @@ if [ -d /usr/lib/grub/i386-efi ]; then
 fi
 
 # Riceve la mountdir della chiavetta da dbus
-MOUNTDIR=`dbus_properties_get_stringlist org.freedesktop.UDisks /org/freedesktop/UDisks/devices/${SELECT_USB/*\/}2 \
-org.freedesktop.UDisks.Device DeviceMountPaths`
+MOUNTDIR=`udisksctl info -b ${SELECT_USB2} | grep -m1 MountPoints: | sed "s|.*[[:space:]]||"`
 
 if [ ! -d "$MOUNTDIR" ]; then
    errorAndExit $"Error: unable to found usb mount path"
@@ -399,11 +405,11 @@ set_pbar 95
 
 set_status $"Unmount usb device"
 echo $"Unmount usb device"
-LANG=C udisks --unmount ${SELECT_USB}1 | grep failed && {
-	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB}1)"
+LANG=C udisksctl unmount -b ${SELECT_USB1} || {
+	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB1})"
 }
-LANG=C udisks --unmount ${SELECT_USB}2 | grep failed && {
-	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB}2)"
+LANG=C udisksctl unmount -b ${SELECT_USB2} || {
+	errorAndExit $"Error: fail to umount the usb key (${SELECT_USB2})"
 }
 
 # WARNING: calling install-mbr after unmounting to prevent problems of FAT since EFI partition introduction