diff --git a/services/errorfiles/503.html b/services/errorfiles/503.html
new file mode 100644
index 0000000..c511c00
--- /dev/null
+++ b/services/errorfiles/503.html
@@ -0,0 +1,39 @@
+HTTP/1.0 503 Service Unavailable
+Cache-Control: no-cache
+Connection: close
+Content-Type: text/html
+
+<!doctype html>
+
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <title>503 Service Unavailable</title>
+  <meta name="description" content="Le serveur n'est pas joignable">
+  <meta name="author" content="Nyanloutre">
+  
+  <style>
+  body {
+    background-image: url("https://storage.sbg3.cloud.ovh.net/v1/AUTH_5b4f5a8f8ed04ddb9725f42ae798cfab/images/1548346925-data-center-shot.jpg");
+    background-size: 100%;
+    color: white;
+    text-shadow: 0px 0px 3px black, 0px 0px 4px black;
+    text-align: center;
+    font-size: 2rem;
+  }
+  #travolta {
+    position: fixed;
+    height: 70%;
+    bottom: 0;
+    left: 40%;
+  }
+  </style>
+</head>
+
+<body>
+  <h1>503 Service non disponible</h1>
+  <img id="travolta" src="https://storage.sbg3.cloud.ovh.net/v1/AUTH_5b4f5a8f8ed04ddb9725f42ae798cfab/images/7VE.gif">
+  <p>Impossible de contacter le serveur demandé</p>
+</body>
+</html>
diff --git a/services/haproxy-acme.nix b/services/haproxy-acme.nix
index e472723..ad59904 100644
--- a/services/haproxy-acme.nix
+++ b/services/haproxy-acme.nix
@@ -23,6 +23,7 @@ let
       timeout client 10s
       timeout connect 4s
       timeout server 30s
+      errorfile 503 ${./errorfiles/503.html}
     userlist LOUTRE
       user paul password $6$YNjCpiPABu9$.iEp.3BgoswHcX3SMjz1/CiyqFQn/fjnxtT9CWBqQHBKynvK2kh/i62ije0WmCvhKRUhy9gdVbJStM3ciGXnC1
     frontend public
diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index 193a181..9b094b3 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -5,7 +5,7 @@
 { config, pkgs, ... }:
 
 let
-  gitRev = "0af0b7a9cf9dc426c3686fd8b9369251ef18805a";
+  gitRev = "d9634b4788a69eba897a5efb826f313942a860e2";
   nixpkgs = fetchTarball "https://github.com/nyanloutre/nixpkgs/archive/${gitRev}.tar.gz";
 in
 {
diff --git a/systems/LoutreOS/services.nix b/systems/LoutreOS/services.nix
index 7f9744e..abe891e 100644
--- a/systems/LoutreOS/services.nix
+++ b/systems/LoutreOS/services.nix
@@ -387,8 +387,10 @@ in
       username = "nyanloutre";
     };
 
-    airsonic.enable = true;
-    airsonic.maxMemory = 500;
+    airsonic = {
+      enable = true;
+      maxMemory = 500;
+    };
   };
 
   systemd.services.dogetipbot-telegram = {
diff --git a/systems/common.nix b/systems/common.nix
index 460716e..3b6aba4 100644
--- a/systems/common.nix
+++ b/systems/common.nix
@@ -49,6 +49,7 @@
 
     # Outils
     borgbackup
+    binutils
 
     # Développement
     openssl
