diff --git a/lib/form/yui/dateselector/dateselector.js b/lib/form/yui/dateselector/dateselector.js
index 2d332e29003..3f4545f0855 100644
--- a/lib/form/yui/dateselector/dateselector.js
+++ b/lib/form/yui/dateselector/dateselector.js
@@ -175,7 +175,7 @@ YUI.add('moodle-form-dateselector', function(Y) {
                 this.release_calendar();
             } else {
                 this.calendarimage.set('disabled', false);
-                this.calendarimage.setStyle('cursor', 'auto');
+                this.calendarimage.setStyle('cursor', null);
             }
         }
     };