diff --git a/README.md b/README.md
index eebcc3a8..dcc52493 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This software is licensed under the LGPL v3 .
 # requirements (core)
 - linux
 - python3
-- python-evdev
+- python-evdev >=0.6.3
 - loaded uinput kernel module
 - Read permission to the following files:
   - /sys/devices/virtual/tty/tty0/active
diff --git a/src/fenrir/fenrir b/src/fenrir/fenrir
index 7a36955b..fce4baac 100755
--- a/src/fenrir/fenrir
+++ b/src/fenrir/fenrir
@@ -1,4 +1,4 @@
-#!/bin/python3
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Fenrir TTY screen reader
diff --git a/src/fenrir/fenrir-daemon b/src/fenrir/fenrir-daemon
index 85b62e52..41b3bc27 100755
--- a/src/fenrir/fenrir-daemon
+++ b/src/fenrir/fenrir-daemon
@@ -1,4 +1,4 @@
-#!/bin/python3
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Fenrir TTY screen reader
diff --git a/src/fenrir/screenDriver/vcsa.py b/src/fenrir/screenDriver/vcsa.py
index f0d4751b..7184af24 100644
--- a/src/fenrir/screenDriver/vcsa.py
+++ b/src/fenrir/screenDriver/vcsa.py
@@ -35,7 +35,6 @@ class driver():
         with open(useScreen, 'w') as fd:
             for c in text:
                 fcntl.ioctl(fd, termios.TIOCSTI, c)
-                time.sleep(0.005)
                 
     def getCurrApplication(self):
         apps = []