diff --git a/buildout/software-profiles/stunnel.cfg b/buildout/software-profiles/stunnel.cfg
index 04c4562fe81a42015e9bff08bf69f594962b86d3..0ff0aa2af2318e41a70ea55f9e095052d31480e2 100644
--- a/buildout/software-profiles/stunnel.cfg
+++ b/buildout/software-profiles/stunnel.cfg
@@ -17,3 +17,5 @@ filename = stunnel-4-hooks.py
 url = http://www.stunnel.org/download/stunnel/src/stunnel-4.34.tar.gz
 md5sum = bbd274e8364ea3ceca0ee5190e13edd1
 pre-configure-hook = ${stunnel-4-hook-download:location}/${stunnel-4-hook-download:filename}:pre_configure_hook
+configure-options =
+  --enable-ipv6