diff --git a/ui/js/slider.js b/ui/js/slider.js
index e30a9c6..dbe227e 100644
--- a/ui/js/slider.js
+++ b/ui/js/slider.js
@@ -41,5 +41,5 @@ function obtenirContenu(){
 
 $(function(){
   obtenirContenu();
-  var executionInterval = setInterval(executionLoop, 10000);
+  var executionInterval = setInterval(executionLoop, (Math.floor(Math.random() * 6)+15)*1000);
 });