diff --git a/base/container_files/var-www-html/app/index.py b/base/container_files/var-www-html/app/index.py
index acd092f..b451037 100644
--- a/base/container_files/var-www-html/app/index.py
+++ b/base/container_files/var-www-html/app/index.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: UTF-8 -*-# enable debugging
 import cgitb
 import os 
@@ -12,7 +12,7 @@
 
 for k, v in sorted(os.environ.items()): 
     if k == "REMOTE_USER" or k.startswith('Shib') or not k[0].isupper():
-        print "%s = %s<br>" % (k, v)
+        print ("%s = %s<br>" % (k, v))
 
 print("<p>* This list is a filtered list of environment variables containing the <a href=\"/Shibboleth.sso/Session\">Shibboleth SP attributes</a>.</p>")
 print("</body></html>")
\ No newline at end of file