diff --git a/app/views/layouts/plaquettes.html.haml b/app/views/layouts/plaquettes.html.haml
index d1aaf05..002adec 100644
--- a/app/views/layouts/plaquettes.html.haml
+++ b/app/views/layouts/plaquettes.html.haml
@@ -1,5 +1,5 @@
 !!!
-%html{:manifest => "/manifest.appcache" }
+%html{:manifest => "/longpra.manifest" }
   %head
     %title Plaquette pédagogique
     = stylesheet_link_tag '/fonts/ArchitectsDaughter/stylesheet.css' 
diff --git a/public/manifest.appcache b/public/longpra.manifest
similarity index 99%
rename from public/manifest.appcache
rename to public/longpra.manifest
index 145b3ab..329a0ca 100644
--- a/public/manifest.appcache
+++ b/public/longpra.manifest
@@ -1,8 +1,7 @@
 CACHE MANIFEST
 
-#version10
+#version11
 
-CACHE:
 /plaquettes/index.html
 /assets/plaquettes.css
 /assets/plaquettes.js
@@ -115,8 +114,3 @@ CACHE:
 /assets/plaquettes/jardin/campagnol.jpg
 /apple-iconp.png
 /faviconp.ico
-
-FALLBACK:
-
-NETWORK:
-*
\ No newline at end of file