diff --git a/tools/fast-driver.py b/tools/fast-driver.py
index 669a5e11..3f078e2d 100755
--- a/tools/fast-driver.py
+++ b/tools/fast-driver.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env Python3
+#!/usr/bin/env python3
 
 import glob
 import os