diff --git a/src/benchmark.py b/src/benchmark.py
old mode 100644
new mode 100755
index 21b977c..743105a
--- a/src/benchmark.py
+++ b/src/benchmark.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 from Results import Benchmark
 from Utils import Files, EnvDefault
 import argparse
diff --git a/src/list.py b/src/list.py
old mode 100644
new mode 100755
index 2eecc28..eabcf74
--- a/src/list.py
+++ b/src/list.py
@@ -1,3 +1,4 @@
+#! /usr/bin/env python
 import argparse
 from Results import Summary
 
diff --git a/src/main.py b/src/main.py
old mode 100644
new mode 100755
index a6216a9..cbf2da3
--- a/src/main.py
+++ b/src/main.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import argparse
 from Experiments import Experiment, Datasets
 from Results import Report
diff --git a/src/report.py b/src/report.py
old mode 100644
new mode 100755
index bd6ca0c..6c0db17
--- a/src/report.py
+++ b/src/report.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import argparse
 import numpy as np
 from Experiments import Datasets
diff --git a/src/summary.py b/src/summary.py
old mode 100644
new mode 100755
index 75aade0..3f3e4a7
--- a/src/summary.py
+++ b/src/summary.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import argparse
 from Results import Summary
 from Utils import EnvDefault