diff --git a/bc b/bc
index 674ad1c..88f9517 100755
--- a/bc
+++ b/bc
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: iso-8859-15 -*-
 """
 BC (Border-Check) is a tool to retrieve info of traceroute tests over website navigation routes.
diff --git a/bc_gtk.py b/bc_gtk.py
index cf36eab..69cace4 100644
--- a/bc_gtk.py
+++ b/bc_gtk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: iso-8859-15 -*-
 """
 BC (Border-Check) is a tool to retrieve info of traceroute tests over website navigation routes.
diff --git a/main.py b/main.py
index 842ff90..2b80db9 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: iso-8859-15 -*-
 """
 BC (Border-Check) is a tool to retrieve info of traceroute tests over website navigation routes.
@@ -77,7 +77,7 @@ class bc(object):
         b = subprocess.Popen(['locate', 'places.sqlite']) # check for Firefox
         if b != "":
             self.browser = "F" #Firefox
-            self.browser_path = "/home/psy/.mozilla/firefox/cq3sfq0e.default/places.sqlite" #automatic extracion of path
+            self.browser_path = "/Users/ARRA/Library/Application Support/Firefox/Profiles/m9absgs2.default/places.sqlite" #automatic extracion of path
         else:
             self.browser = "C" #Chrome
             self.browser_path = ""
diff --git a/main_gtk.py b/main_gtk.py
index 4b64be7..c5f153b 100644
--- a/main_gtk.py
+++ b/main_gtk.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: iso-8859-15 -*-
 """
 BC (Border-Check) is a tool to retrieve info of traceroute tests over website navigation routes.
diff --git a/options.py b/options.py
index 8600184..0f81209 100644
--- a/options.py
+++ b/options.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: iso-8859-15 -*-
 """
 BC (Border-Check) is a tool to retrieve info of traceroute tests over website navigation routes.