diff --git a/scripts/upgrade b/scripts/upgrade
index 4c2709c..cb352eb 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -52,7 +52,7 @@ sudo sed -i "s/yunodomain/$domain/g" $final_path/.env
 # uses commas because path url contains a slash
 sudo sed -i "s,yunopath,${path_url},g" $final_path/.env
 
-sudo exec_composer $final_path update
+sudo_path exec_composer $final_path update
 
 # setup application config
 cd $final_path && sudo /usr/bin/php7.0 artisan -q migrate --force