diff --git a/util/generate_amalgamation.py b/util/generate_amalgamation.py
index b065892b..a0d8076f 100755
--- a/util/generate_amalgamation.py
+++ b/util/generate_amalgamation.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 from os.path import basename, dirname, join, realpath, isfile