diff --git a/scripts/install b/scripts/install
index eea6b2f..9d31c80 100755
--- a/scripts/install
+++ b/scripts/install
@@ -4,15 +4,15 @@
 set -eu
 
 # Retrieve arguments
-app=duniter
-domain=$1
-path=$2
-port=$3
-sync_node=$4
-sync_port=$5
-salt=$6
-password=$7
-cpu=`bc -l <<< "scale=2; $8/100"`
+app=$YNH_APP_INSTANCE_NAME
+domain=$YNH_APP_ARG_DOMAIN
+path=$YNH_APP_ARG_PATH
+port=$YNH_APP_ARG_PORT
+sync_node=$YNH_APP_ARG_SYNC_NODE
+sync_port=$YNH_APP_ARG_SYNC_PORT
+salt=$YNH_APP_ARG_SALT
+password=$YNH_APP_ARG_PASSWORD
+cpu=`bc -l <<< "scale=2; $YNH_APP_ARG_CPU/100"`
 version=$(cat ../conf/upstream_version)
 
 # Source app helpers
diff --git a/scripts/remove b/scripts/remove
index a8fabfb..cab866c 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -3,7 +3,7 @@
 # Source app helpers
 source /usr/share/yunohost/helpers
 
-app=duniter
+app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get $app domain)
 port=$(ynh_app_setting_get $app port)
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 4115370..a721efc 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -6,8 +6,8 @@ set -eu
 # Source app helpers
 source /usr/share/yunohost/helpers
 
-# Retrive CPU architecure
-app=duniter
+# Retrive arguments
+app=$YNH_APP_INSTANCE_NAME
 arch=$(ynh_app_setting_get "$app" arch)
 version=$(cat ../conf/upstream_version)