diff --git a/extended/run_keyword.py b/extended/run_keyword.py
index 3bb89c2..2d1ab51 100644
--- a/extended/run_keyword.py
+++ b/extended/run_keyword.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 r"""
 This module is the python counterpart to run_keyword.robot.