diff --git a/Python/etc/apt/sources.list b/Python/etc/apt/sources.list
index 186a98a..70762d1 100644
--- a/Python/etc/apt/sources.list
+++ b/Python/etc/apt/sources.list
@@ -27,13 +27,16 @@ elif has("debian-testing"):
         source("http://ocsigen.org/debian/ testing main contrib")
 
 else:
+    # Pour les mises a jour de sécurité on utilise pas de mirroir
+    prefix = "ftp://security.debian.org/"
+    source("debian-security etch/updates main")
+
     if has("debian-mirror"):
         prefix = "file:/mirror/"
     else:
         prefix = "ftp://mirror.adm.crans.org/"
 
     source("debian etch main contrib")
-    source("debian-security etch/updates main")
 
     # Pour quand ça sera fait:
     # if has("need-volatile"):