diff --git a/init.sh b/init.sh
index 3610192..0cafc10 100755
--- a/init.sh
+++ b/init.sh
@@ -14,6 +14,7 @@ SYSLINUX_FILES="menu.c32 vesamenu.c32 libutil.c32 libcom32.c32"
 SYSLINUX_BIOS_FILES=""
 SYSLINUX_EFI_FILES="ldlinux.e64"
 TMP_DIR="tmp"
+REPO_DIR="repo"
 MOUNT_DIR="/mnt/usbstick"
 syslinux_mod="/usr/lib/syslinux"
 current_dir=`pwd`
@@ -46,7 +47,16 @@ download (){
 
 create_dir(){
     # $1 directory to create
-    if [ ! -d $1 ]; then mkdir -p $1; fi
+    if [ ! -d $1 ]
+    then 
+        mkdir -p $1
+    else
+        if [[ $2 == 1 ]]
+        then
+            rm -rf $1
+            create_dir $1
+        fi
+    fi
 }
 
 #Stop script if syslinux is not installed
@@ -90,47 +100,55 @@ done
 bootfiles_Debian="http://ftp.debian.org/debian/dists/jessie/main/installer-${DEBIAN_ARCH}/current/images/hd-media"
 iso_url="http://cdimage.debian.org/debian-cd/${DEBIAN_VERSION}/${DEBIAN_ARCH}/iso-cd"
 iso_file="debian-${DEBIAN_VERSION}-${DEBIAN_ARCH}-netinst.iso"
+$repo_path=$REPO_DIR/$DEBIAN_ARCH/$DEBIAN_VERSION
 
+
+# Download Debian files (kernel, initrd and iso)
+echo -e "\nPrepare Debian files\n---"
 # Création du répertoire temporaire
-if [ ! -d $TMP_DIR ]; then mkdir $TMP_DIR; fi
+create_dir $repo_path
+cd $repo_path
+download $iso_file $iso_url 1
+for file in "vmlinuz" "initrd.gz" 
+do
+    download $file $bootfiles_Debian 1
+done
+cd $current_dir
 
 if [[ -z $dest ]]
 then
     echo "No destination device specified, USB key will not be created."
 fi
-
-# Download Debian files (kernel, initrd and iso)
-echo -e "\nPrepare Debian files\n---"
-cd $TMP_DIR
-for file in "vmlinuz" "initrd.gz" 
-do
-    download $file $bootfiles_Debian 1
-done
-download $iso_file $iso_url 1
-cd $current_dir
-
+create_dir $TMP_DIR 1
+cp $repo_path $TMP_DIR
 # Copy wanted syslinux file from archive
-create_dir ${TMP_DIR}/syslinux 1
-for file in $SYSLINUX_FILES
-do
-    echo "copie de $file"  
-    cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
-done
 
 case $BOOT_TYPE in
     efi64)
-        for file in $SYSLINUX_EFI_FILES
-        do
-            echo "copying $file ..." 
-            cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
-        done
         create_dir "${TMP_DIR}/EFI/boot"
         cp -T ${syslinux_mod}/${BOOT_TYPE}/syslinux.efi ${TMP_DIR}/EFI/boot/bootx64.efi
+        for file in $SYSLINUX_EFI_FILES
+        do
+            echo "copying $file ..."  
+            cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/EFI/boot
+        done
+        for file in $SYSLINUX_FILES
+        do
+            echo "copie de $file"  
+            cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/EFI/boot
+        done
         ;;
     bios)
+        create_dir ${TMP_DIR}/syslinux 1
+        for file in $SYSLINUX_FILES
+        do
+            echo "copie de $file"  
+            cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
+        done
+
         for file in $SYSLINUX_BIOS_FILES
         do
-            echo "copying $file ..." 
+            echo "copying $file ..."  
             cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
         done
         ;;
@@ -172,4 +190,5 @@ then
         syslinux --directory /syslinux --install ${dest}1
     fi 
     exit 0
+    rm -rf $TMP_DIR
 fi