diff --git a/Python/etc/apt/sources.list b/Python/etc/apt/sources.list
index 39795ae..a457650 100644
--- a/Python/etc/apt/sources.list
+++ b/Python/etc/apt/sources.list
@@ -17,7 +17,7 @@ def source(args):
 
 if has("ovh"):
     source("ftp://mir1.ovh.net/debian/ %s main contrib" % distro)
-    source("http://security.debian.org/ %s/updates main" % distro)
+    source("ftp://security.debian.org/ %s/updates main" % distro)
 
     @# Paquet construit a la main
     source("%s/custom ./" % repo)
@@ -28,7 +28,7 @@ else:
         # ... sauf si le serveur ne voit pas le reste du monde ...
         source("%s/debian-security %s/updates main" % (repo, distro))
     else:
-        source("http://security.debian.org/debian-security %s/updates main" % distro)
+        source("ftp://security.debian.org/debian-security %s/updates main" % distro)
 
     if has("firmware-bnx2"):
         source("%s/debian %s main contrib non-free" % (repo, distro))