diff --git a/README.md b/README.md
index c734af1..09823aa 100644
--- a/README.md
+++ b/README.md
@@ -136,3 +136,19 @@ udevadm control --reload-rules
 ```bash
 ACTION=add DEVTYPE=disk DEVNAME=/dev/sdg /usr/local/sbin/udev-bkp-usb
 ```
+
+Lancer manuellement l'export des sauvegardes sur un disque USB déjà branché
+---------------------------------------------------------------------------
+
+Vous pouvez utiliser le script *run-bkp-usb* pour lancer manuellement l'export des sauvegardes sur un disque USB déjà branché :
+
+```
+Usage : /usr/local/sbin/run-bkp-usb [device]
+   device		To manually run export, provide the USB Drive device path
+```
+
+Exemple :
+
+```bash
+run-bkp-usb /dev/sdc
+```
diff --git a/run-bkp-usb b/run-bkp-usb
index 06ce808..b6c1f19 100755
--- a/run-bkp-usb
+++ b/run-bkp-usb
@@ -2,13 +2,32 @@
 
 FILE=/var/run/bkp-usb-detected
 
+
+function usage () {
+	[ -n "$1" ] && echo -e "$1\n"
+	echo "Usage : $0 [device]"
+	echo "   device		To manually run export, provide the USB Drive device path"
+	[ -n "$1" ] && exit 1
+	return 0
+}
+
 function exit_error () {
-	echo "$1"
+	[ -n "$1" ] && echo "$1"
 	beep -f 300 -l 2000
 	rm -f "$FILE"
 	exit 1
 }
 
+# Manually run
+if [ -n "$1" ]
+then
+	[ "$1" == "-h" ] && usage && exit 0
+	DEVICE="$1"
+	[ ! -b "$DEVICE" ] && usage "Invalid device '$DEVICE'"
+	echo -n "$DEVICE" > $FILE
+	exit 0
+fi
+
 [ ! -e "$FILE" ] && exit_error "File $FILE does not exists !"
 
 DEVICE=$( cat "$FILE" )