diff --git a/downloader.sh b/downloader.sh
index 2cf3568..ef1cf49 100644
--- a/downloader.sh
+++ b/downloader.sh
@@ -3,5 +3,5 @@ set -eu
 # Téléchargements des sources 
 $WGETCMD $REPO/$STAGE3
 $WGETCMD $REPO/$SNAPSHOT
-$WGETCMD $REPO/kernel.tar.bz2
-$WGETCMD $REPO/modules.tar.bz2
\ No newline at end of file
+$WGETCMD $REPO/$KERNEL
+$WGETCMD $REPO/$MODULES
\ No newline at end of file
diff --git a/env.sh b/env.sh
index f8fdd2f..41c43a0 100644
--- a/env.sh
+++ b/env.sh
@@ -9,6 +9,8 @@ export SYS=/dev/sda1
 export CHROOT=/mnt/gentoo
 export STAGE3=stage3-amd64-20170907.tar.bz2
 export SNAPSHOT=portage-20171006.tar.bz2
+export KERNEL=kernel.tar.bz2
+export MODULES=modules.tar.bz2
 export REPO=https://repo.jmanson.fr
 export NJOBS=$(grep '^processor' /proc/cpuinfo | sort -u | wc -l)
 export MAKEOPTS="-j$((NJOBS+1)) -l${NJOBS}"
diff --git a/grubconfig.sh b/grubconfig.sh
index 4c56264..b61b940 100644
--- a/grubconfig.sh
+++ b/grubconfig.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eu
+
 #configurer grub
 chroot $CHROOT /bin/bash -c "grub-install /dev/sda"
 chroot $CHROOT /bin/bash -c "grub-mkconfig -o /boot/grub/grub.cfg"
diff --git a/kernelinstall.sh b/kernelinstall.sh
index 5353e60..7eba8e6 100644
--- a/kernelinstall.sh
+++ b/kernelinstall.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 set -eu
 #installer le noyaux
-tar xjpf $CHROOT/kernel.tar.bz2 -C $CHROOT/
+tar xjpf $CHROOT/$KERNEL -C $CHROOT/
 mkdir $CHROOT/lib/modules/
-tar xjpf $CHROOT/modules.tar.bz2 -C $CHROOT/lib/modules/
\ No newline at end of file
+tar xjpf $CHROOT/$MODULES -C $CHROOT/lib/modules/
\ No newline at end of file