diff --git a/scripts/inference_babi_task.py b/scripts/inference_babi_task.py
index 680bf15..a124dc9 100755
--- a/scripts/inference_babi_task.py
+++ b/scripts/inference_babi_task.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # Copyright 2018 Jörg Franke
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/inference_cnn_task.py b/scripts/inference_cnn_task.py
index 991213e..53d3e01 100644
--- a/scripts/inference_cnn_task.py
+++ b/scripts/inference_cnn_task.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # Copyright 2018 Jörg Franke
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/start_training.py b/scripts/start_training.py
index 871e5bc..6e343c7 100755
--- a/scripts/start_training.py
+++ b/scripts/start_training.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 # Copyright 2018 Jörg Franke
 #
 # Licensed under the Apache License, Version 2.0 (the "License");