diff --git a/app/browser/buffer.py b/app/browser/buffer.py
index 50317d3..ce57ca2 100644
--- a/app/browser/buffer.py
+++ b/app/browser/buffer.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/app/imageviewer/buffer.py b/app/imageviewer/buffer.py
index b136a21..79a3e5f 100644
--- a/app/imageviewer/buffer.py
+++ b/app/imageviewer/buffer.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/app/videoplayer/buffer.py b/app/videoplayer/buffer.py
index 7aae06d..99a299a 100644
--- a/app/videoplayer/buffer.py
+++ b/app/videoplayer/buffer.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/core/buffer.py b/core/buffer.py
index b31d564..7910132 100644
--- a/core/buffer.py
+++ b/core/buffer.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/core/eaf.py b/core/eaf.py
index 2d5066c..9233269 100755
--- a/core/eaf.py
+++ b/core/eaf.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/core/fake_key_event.py b/core/fake_key_event.py
index 8bf05c4..3a02211 100644
--- a/core/fake_key_event.py
+++ b/core/fake_key_event.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/core/view.py b/core/view.py
index 329b498..4badbfe 100644
--- a/core/view.py
+++ b/core/view.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2018 Andy Stewart
diff --git a/core/xutils.py b/core/xutils.py
index 3719440..7437db8 100644
--- a/core/xutils.py
+++ b/core/xutils.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011 ~ 2014 Andy Stewart