diff --git a/Gemfile b/Gemfile
index c832863a..da5721b1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -50,6 +50,7 @@ gem 'haml-rails'
 gem 'compass-rails'
 gem 'modernizr-rails'
 gem 'activeadmin', github: 'gregbell/active_admin'
+gem 'webshims-rails'
 
 gem 'devise'
 gem 'devise-i18n'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4fa45f26..54e499fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -285,6 +285,8 @@ GEM
     warden (1.2.3)
       rack (>= 1.0)
     webrick (1.3.1)
+    webshims-rails (1.14.4)
+      rails (> 3.1.0)
 
 PLATFORMS
   ruby
@@ -326,3 +328,4 @@ DEPENDENCIES
   turbolinks
   uglifier
   webrick (>= 1.3.1)
+  webshims-rails
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
deleted file mode 100644
index 3dea4f83..00000000
--- a/app/assets/javascripts/application.js
+++ /dev/null
@@ -1,19 +0,0 @@
-// This is a manifest file that'll be compiled into application.js, which will include all the files
-// listed below.
-//
-// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
-// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
-//
-// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
-// compiled file.
-//
-// Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
-// about supported directives.
-//
-//= require jquery
-//= require jquery_ujs
-//= require tinymce-jquery
-//= require jquery.turbolinks
-//= require turbolinks
-//= require modernizr
-//= require_tree .
diff --git a/app/assets/javascripts/application.js.coffee b/app/assets/javascripts/application.js.coffee
new file mode 100644
index 00000000..a928041e
--- /dev/null
+++ b/app/assets/javascripts/application.js.coffee
@@ -0,0 +1,45 @@
+# This is a manifest file that'll be compiled into application.js, which will include all the files
+# listed below.
+#
+# Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
+# or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
+#
+# It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+# compiled file.
+#
+# Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
+# about supported directives.
+#
+#= require jquery
+#= require jquery_ujs
+#= require jquery.turbolinks
+#= require turbolinks
+#= require tinymce
+#= require modernizr
+#= require webshims/polyfiller
+#= require_tree .
+
+# Setup polyfills, so that older browsers can also take advanage of html5!
+$.webshims.setOptions('basePath', '/assets/webshims/shims/')
+$.webshims.polyfill('es5 forms forms-ext mediaelement')
+
+$(document).ready ->
+  $(this).updatePolyfill()
+
+  tinyMCE.init {
+    selector: 'textarea',
+    language: 'fr_FR',
+    menubar : false,
+    toolbar: [
+      ' bold italic strikethrough
+      | bullist numlist outdent indent
+      | alignleft aligncenter alignright alignjustify
+      | link media insertdatetime charmap table
+      | undo redo
+      | searchreplace spellchecker
+      | code visualblocks preview fullscreen'
+    ],
+    plugins: 'lists, advlist, autolink, link, charmap, paste, print, preview,
+      table, fullscreen, searchreplace, media, insertdatetime, visualblocks,
+      visualchars, wordcount, contextmenu, code, spellchecker'
+  }
diff --git a/app/views/events/_form.html.haml b/app/views/events/_form.html.haml
index be4cdcd4..5e34ace0 100644
--- a/app/views/events/_form.html.haml
+++ b/app/views/events/_form.html.haml
@@ -33,8 +33,7 @@
       :markdown
         #{t '.description_helper'}
     = f.label :description
-    = f.text_area :description, required: true, class: 'tinymce', rows: 29, cols: 80
-    = tinymce language: 'fr_FR'
+    = f.text_area :description, required: true, rows: 29, cols: 80
 
   .field
     = f.label :city
diff --git a/config/tinymce.yml b/config/tinymce.yml
deleted file mode 100644
index 0cc43266..00000000
--- a/config/tinymce.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-toolbar:
-  - undo redo | bold italic strikethrough | bullist numlist outdent indent | alignleft aligncenter alignright alignjustify | link media insertdatetime charmap table | searchreplace | code visualblocks preview fullscreen
-plugins:
-  - lists
-  - advlist
-  - autolink
-  - link
-  - charmap
-  - paste
-  - print
-  - preview
-  - table
-  - fullscreen
-  - searchreplace 
-  - media
-  - insertdatetime
-  - visualblocks
-  - visualchars
-  - wordcount
-  - contextmenu
-  - code