diff --git a/scripts/upgrade b/scripts/upgrade
index 07f9da9..a190244 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -240,8 +240,6 @@ chown $app:$app "$final_path/config/local-production.json"
 #=================================================
 ynh_script_progression --message="Building Yarn dependencies..."
 
-chown -R "$app":"$app" $final_path
-
 pushd "$final_path"
 	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --production --pure-lockfile