diff --git a/generate_vec.py b/generate_vec.py
index 6c46cae..5d2d38a 100644
--- a/generate_vec.py
+++ b/generate_vec.py
@@ -1,3 +1,4 @@
+#!/bin/python3
 """
 A python script to generate a c++ vector library for math
 Should work with vectors with 2-9 components