diff --git a/day-03/day-03.py b/day-03/day-03.py
index cf7e6c3..4f77b8e 100644
--- a/day-03/day-03.py
+++ b/day-03/day-03.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 from pathlib import Path