diff --git a/scripts/upgrade b/scripts/upgrade
index 635d147..f4a7511 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -125,7 +125,7 @@ rm -Rf "$final_path/addon"
 ynh_setup_source --dest_dir="$final_path/addon" --source_id="addons"
 
 # 3 - some extra folders
-sudo chmod -R 775 $final_path/view/smarty3
+chmod -R 775 $final_path/view/smarty3
 
 
 #=================================================
@@ -174,7 +174,7 @@ ynh_store_file_checksum --file="$final_path/config/local.config.php"
 # Set up cron job
 ynh_replace_string --match_string="__YNH_WWW_PATH__" --replace_string="$final_path" --target_file="../conf/poller-cron"
 ynh_replace_string --match_string="__USER__" --replace_string="$app" --target_file="../conf/poller-cron"
-ynh_restore_file  --origin_path="../conf/poller-cron" --dest_path="/etc/cron.d/$app"
+cp "../conf/poller-cron" "/etc/cron.d/$app"
 
 # Run composer 
 (cd $final_path && sudo php bin/composer.phar install)