diff --git a/web_fullscreen/static/src/js/web_fullscreen.js b/web_fullscreen/static/src/js/web_fullscreen.js
index 9b0b4718..6c5ff83f 100644
--- a/web_fullscreen/static/src/js/web_fullscreen.js
+++ b/web_fullscreen/static/src/js/web_fullscreen.js
@@ -11,6 +11,9 @@ openerp.web_fullscreen = function(instance, local) {
         toggle: function() {
             $("#oe_main_menu_navbar").toggle();
             $(".oe_leftbar").toggle();
+        },
+        start: function() {
+            this.$el.find('a').tooltip();
         }
     });
     
diff --git a/web_fullscreen/views/web_fullscreen_templates.xml b/web_fullscreen/views/web_fullscreen_templates.xml
index ebfc60d7..afe62645 100644
--- a/web_fullscreen/views/web_fullscreen_templates.xml
+++ b/web_fullscreen/views/web_fullscreen_templates.xml
@@ -2,7 +2,7 @@
 <templates xml:space="preserve">
     <t t-name="FullscreenButton">
         <li class="oe_e">    
-            <a>ò</a>
+            <a data-original-title="Fullscreen">ò</a>
         </li>
     </t>
 </templates>
\ No newline at end of file