diff --git a/extras/OFRenamer/start.py b/extras/OFRenamer/start.py
index e2a0d3a09..ce872dfca 100644
--- a/extras/OFRenamer/start.py
+++ b/extras/OFRenamer/start.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from classes.prepare_metadata import prepare_metadata
 import helpers.main_helper as main_helper
 import os