diff --git a/Python/etc/apt/sources.list b/Python/etc/apt/sources.list
index 93450bf..ed304e2 100644
--- a/Python/etc/apt/sources.list
+++ b/Python/etc/apt/sources.list
@@ -48,4 +48,4 @@ else:
 
     if has("rouge") or has("owl"):
         @# Backports pour dovecot et roundcube
-        source("http://www.backports.org/debian %s-backports main contrib" % distro)
+        source("%s/debian-backports %s-backports main contrib" % (repo, distro))