diff --git a/Adjuster.py b/Adjuster.py
old mode 100644
new mode 100755
index 4d5f2edb..57863f5a
--- a/Adjuster.py
+++ b/Adjuster.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import argparse
 import os
 import logging
diff --git a/EntranceRandomizer.py b/EntranceRandomizer.py
old mode 100644
new mode 100755
index bdd670ab..2368d76e
--- a/EntranceRandomizer.py
+++ b/EntranceRandomizer.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import argparse
 import os
 import logging
diff --git a/Gui.py b/Gui.py
old mode 100644
new mode 100755
index 07fa4e2e..3218c9aa
--- a/Gui.py
+++ b/Gui.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from argparse import Namespace
 from glob import glob
 import json
diff --git a/Plando.py b/Plando.py
old mode 100644
new mode 100755
index 64a72afd..d91ec44a
--- a/Plando.py
+++ b/Plando.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import argparse
 import hashlib
 import logging