diff --git a/tamper/__init__.py b/tamper/__init__.py
index 0e637aa3b..cfa34d22a 100644
--- a/tamper/__init__.py
+++ b/tamper/__init__.py
@@ -1,2 +1,4 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
diff --git a/tamper/charencode.py b/tamper/charencode.py
index 468bbffe4..f7dee799b 100644
--- a/tamper/charencode.py
+++ b/tamper/charencode.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
 
diff --git a/tamper/doubleencode.py b/tamper/doubleencode.py
index 6f9c646c5..605355c5b 100644
--- a/tamper/doubleencode.py
+++ b/tamper/doubleencode.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
 
diff --git a/tamper/ifnull2ifisnull.py b/tamper/ifnull2ifisnull.py
index 74af5639e..337a2090e 100644
--- a/tamper/ifnull2ifisnull.py
+++ b/tamper/ifnull2ifisnull.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
 
diff --git a/tamper/randomblanks.py b/tamper/randomblanks.py
index fcd2ce45a..ee85bc008 100644
--- a/tamper/randomblanks.py
+++ b/tamper/randomblanks.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
 
diff --git a/tamper/randomcase.py b/tamper/randomcase.py
index 74e845283..4d34df038 100644
--- a/tamper/randomcase.py
+++ b/tamper/randomcase.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.
 
diff --git a/tamper/space2comment.py b/tamper/space2comment.py
index 884f5b152..fb1005361 100644
--- a/tamper/space2comment.py
+++ b/tamper/space2comment.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 # Copyright (c) 2006-2010 sqlmap project (http://sqlmap.sourceforge.net/)
 # See the file doc/COPYING for copying permission.