diff --git a/perplexity.py b/perplexity.py
index 7fd661e..768929f 100644
--- a/perplexity.py
+++ b/perplexity.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 import logging
 import argparse
 import os