diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index ee472ca9..a61a6640 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 from __future__ import print_function, unicode_literals
 
diff --git a/scripts/speedtest-fs.py b/scripts/speedtest-fs.py
index 12bfe5a0..56eb234f 100644
--- a/scripts/speedtest-fs.py
+++ b/scripts/speedtest-fs.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/scripts/uncomment.py b/scripts/uncomment.py
index c7e4922b..5a9697bb 100644
--- a/scripts/uncomment.py
+++ b/scripts/uncomment.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 from __future__ import print_function, unicode_literals
 
@@ -8,7 +8,7 @@ import tokenize
 
 
 def uncomment(fpath):
-    """ modified https://stackoverflow.com/a/62074206 """
+    """modified https://stackoverflow.com/a/62074206"""
 
     with open(fpath, "rb") as f:
         orig = f.read().decode("utf-8")
diff --git a/tests/test_httpcli.py b/tests/test_httpcli.py
index 6dff1a26..408d3a33 100644
--- a/tests/test_httpcli.py
+++ b/tests/test_httpcli.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 from __future__ import print_function, unicode_literals
 
diff --git a/tests/test_vfs.py b/tests/test_vfs.py
index a3ed1099..a6246ac9 100644
--- a/tests/test_vfs.py
+++ b/tests/test_vfs.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 from __future__ import print_function, unicode_literals