diff --git a/src/relative_to.py b/src/relative_to.py
index 8a676bf8f..b660d2793 100755
--- a/src/relative_to.py
+++ b/src/relative_to.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import sys
 from os import path