diff --git a/app_decoder.py b/app_decoder.py
old mode 100644
new mode 100755
index 2e528b2..4e481d8
--- a/app_decoder.py
+++ b/app_decoder.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import json
 import os
 import shutil
diff --git a/server.py b/server.py
old mode 100644
new mode 100755
index 2cd11b2..d07ca5e
--- a/server.py
+++ b/server.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import sys
 import threading
 from threading import Thread