diff --git a/scripts/backup b/scripts/backup
index b73f6e9..81b0f6d 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -27,11 +27,11 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
-
 ynh_print_info --message="Declaring files to be backed up..."
 
 #=================================================
@@ -50,7 +50,7 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 # BACKUP THE PHP-FPM CONFIGURATION
 #=================================================
 
-ynh_backup --src_path="/etc/php/${YNH_PHP_VERSION}/fpm/pool.d/$app.conf"
+ynh_backup --src_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 #=================================================
 # BACKUP A CRON FILE
diff --git a/scripts/install b/scripts/install
index 0f7ac02..9dbd3e7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -98,6 +98,7 @@ ynh_script_progression --message="Configuring php-fpm..."
 
 # Create a dedicated php-fpm config
 ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # SPECIFIC SETUP
@@ -106,7 +107,7 @@ ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencie
 #=================================================
 ynh_script_progression --message="Installing composer and dependencies..."
 
-ynh_install_composer --phpversion="${YNH_PHP_VERSION}" --workdir="$final_path"
+ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"
 
 #=================================================
 # SETUP A CRON
diff --git a/scripts/restore b/scripts/restore
index f887e96..b7611c6 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -29,6 +29,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -75,10 +76,10 @@ chown -R $app: $final_path
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
-ynh_print_info --message="Restoring PHP-FPM configuration..."
+ynh_script_progression --message="Restoring PHP-FPM configuration..."
 
 # Restore the file first, so it can have a backup if different
-ynh_restore_file --origin_path="/etc/php/${YNH_PHP_VERSION}/fpm/pool.d/$app.conf"
+ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 # Recreate a dedicated php-fpm config
 ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
@@ -116,7 +117,7 @@ ynh_restore_file --origin_path="/etc/cron.d/$app"
 #=================================================
 ynh_script_progression --message="Reloading nginx web server and php-fpm..."
 
-ynh_systemd_action --service_name=php${YNH_PHP_VERSION}-fpm --action=reload
+ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 03f90bc..e4e1c74 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -121,6 +121,7 @@ ynh_script_progression --message="Upgrading php-fpm configuration..."
 
 # Create a dedicated php-fpm config
 ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # SPECIFIC UPGRADE
@@ -129,7 +130,7 @@ ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencie
 #=================================================
 ynh_script_progression --message="Installating composer and dependencies..."
 
-ynh_install_composer --phpversion="${YNH_PHP_VERSION}" --workdir=$final_path
+ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"
 
 #=================================================
 # SETUP A CRON