diff --git a/README.md b/README.md
index 8908130..bee0980 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,9 @@ debian-gnome
 ============
 
 configuration pour un bureau Gnome propre et efficace.
-utilisé lors des Instalalis dispensés par Libre.re
+utilisé lors des Instalalis dispensées par Libre.re
 
 install one-liner
 -----------------
 
-`curl -s https://git.artcode.re/pvincent/debian-gnome/raw/master/src/main | bash`
\ No newline at end of file
+`wget -q https://git.artcode.re/pvincent/debian-gnome/raw/master/src/main -O /tmp/main | bash /tmp/main`
\ No newline at end of file
diff --git a/src/main b/src/main
index 9e6825b..8e7338d 100755
--- a/src/main
+++ b/src/main
@@ -72,6 +72,7 @@ fi
 
 echo "# required packages"
 echo "==================="
+sudo export DEBIAN_FRONTEND=noninteractive
 for package in ${REQUIRED_PACKAGES[@]}; do 
     runVoid dpkg-query --status $package
     if [ $runVoidError -ne 0 ] ; then    
@@ -80,6 +81,7 @@ for package in ${REQUIRED_PACKAGES[@]}; do
         echo "DONE"
     fi
 done
+sudo unset DEBIAN_FRONTEND
 
 echo "## remove hplip annoyance"
 echo "========================="
@@ -203,7 +205,7 @@ EXTENSIONS=(
 
 for extension in "${EXTENSIONS[@]}"; do
     if [[ ! -d $HOME/.local/share/gnome-shell/extensions/$extension ]];then
-        gnome-extensions-cli install $extension
+        gnome-extensions-cli --backend file install $extension
         if [[ -d $HOME/.local/share/gnome-shell/extensions/$extension/schemas ]]; then
             sudo cp $HOME/.local/share/gnome-shell/extensions/$extension/schemas/*.gschema.xml /usr/share/glib-2.0/schemas/
             sudo glib-compile-schemas /usr/share/glib-2.0/schemas/