diff --git a/scripts/distance.py b/scripts/distance.py
index 2224d3ca..43c2b2d3 100755
--- a/scripts/distance.py
+++ b/scripts/distance.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import argparse
 import networkx as nx
 import re