diff --git a/config.py b/config.py
index e11ad08..d840e6f 100644
--- a/config.py
+++ b/config.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
diff --git a/config_test.py b/config_test.py
index 823b3a3..e4a9746 100644
--- a/config_test.py
+++ b/config_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -150,4 +150,4 @@ def invalidaccess(c):
 
 if __name__ == "__main__":
     #import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/mumo.py b/mumo.py
index 4a8e856..1140c2b 100755
--- a/mumo.py
+++ b/mumo.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010-2013 Stefan Hacker <dd0t@users.sourceforge.net>
diff --git a/mumo_manager.py b/mumo_manager.py
index 6a677d5..18f6f70 100644
--- a/mumo_manager.py
+++ b/mumo_manager.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
diff --git a/mumo_manager_test.py b/mumo_manager_test.py
index 680ace1..77873ef 100644
--- a/mumo_manager_test.py
+++ b/mumo_manager_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -181,4 +181,4 @@ def tearDown(self):
 
 if __name__ == "__main__":
     #import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/mumo_module.py b/mumo_module.py
index 5815ed4..7c09b49 100644
--- a/mumo_module.py
+++ b/mumo_module.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -98,4 +98,4 @@ def new_fu(self, *args, **kwargs):
         kwargss = '' if len(kwargs)==0 else ','.join('%s="%s"' % (kw, str(arg)) for kw, arg in kwargs.iteritems())
         log.debug("%s(%s%s%s)", fu.__name__, str(self), argss, kwargss)
         return fu(self, *args, **kwargs)
-    return new_fu
\ No newline at end of file
+    return new_fu
diff --git a/testsuite.py b/testsuite.py
index 1675d08..1e5ceb7 100644
--- a/testsuite.py
+++ b/testsuite.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -41,4 +41,4 @@
     from modules.source.db_test import *
 
     #import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
\ No newline at end of file
+    unittest.main()
diff --git a/worker.py b/worker.py
index d5fce95..36d6ffd 100644
--- a/worker.py
+++ b/worker.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -143,4 +143,4 @@ def call_by_name(self, handler, function_name, *args, **kwargs):
     
     @local_thread_blocking
     def call_by_name_blocking(self, handler, function_name, *args, **kwargs):
-        return getattr(handler, function_name)(*args, **kwargs)
\ No newline at end of file
+        return getattr(handler, function_name)(*args, **kwargs)
diff --git a/worker_test.py b/worker_test.py
index d54b45e..4efbd65 100644
--- a/worker_test.py
+++ b/worker_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8
 
 # Copyright (C) 2010 Stefan Hacker <dd0t@users.sourceforge.net>
@@ -166,4 +166,4 @@ def tearDown(self):
 
 if __name__ == "__main__":
     #import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
\ No newline at end of file
+    unittest.main()