diff --git a/lib/pages/participants.js b/lib/pages/participants.js
index 2cecc43..b28048a 100644
--- a/lib/pages/participants.js
+++ b/lib/pages/participants.js
@@ -10,7 +10,7 @@
             $.each(courses, function(index,course){
                 $("#lmycourses").append('<li><a id="course'+course.id+'" data-courseid="'+course.id+'">'+course.fullname+'<p>'+course.shortname+'</p></a></li>');
                 $("#course"+course.id).click(function(){                        
-                    localStorage.setItem("current_course",$(this).attr('data-courseid'))
+                    localStorage.setItem("current_course",$(this).data('courseid'))
                     $.mobile.changePage("users.html");
                 });
             });