diff --git a/setup.py b/setup.py
index 4d463e0..1072767 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,12 @@
- #!/usr/bin/python
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 from distutils.core import setup
 import os
 import shutil
 
+requires = ['PIL']
+
 setup(
     name='Stegano',
     version='0.4',