diff --git a/js/bootstrap-tooltip.js b/js/bootstrap-tooltip.js
index 577ead48b56e..cf5962b3c55c 100644
--- a/js/bootstrap-tooltip.js
+++ b/js/bootstrap-tooltip.js
@@ -210,7 +210,7 @@
         , $e = this.$element
         , o = this.options
 
-      title = $e.attr('data-original-title')
+      title = $e.data('original-title')
         || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
 
       return title