diff --git a/scripts/upgrade b/scripts/upgrade
index 9db72f5..7b88a17 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -114,7 +114,7 @@ pushd $final_path
 	venv/bin/pip install gunicorn
 	mkdir -p /var/log/$app
 	chown -R $app:www-data /var/log/$app
-	chown o-rwx /var/log/$app
+	chmod o-rwx /var/log/$app
 	cat <<EOF >> wsgi.py 
 from server import app