diff --git a/utils/conv_gen.py b/utils/conv_gen.py
index d2eda15..6b6b267 100644
--- a/utils/conv_gen.py
+++ b/utils/conv_gen.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/python2
 
 mod_license = """
 /*