Index: wp-includes/js/wp-pointer.dev.js
===================================================================
--- wp-includes/js/wp-pointer.dev.js	(revision 19449)
+++ wp-includes/js/wp-pointer.dev.js	(working copy)
@@ -16,8 +16,9 @@
 				var close  = ( wpPointerL10n ) ? wpPointerL10n.dismiss : 'Dismiss',
 					button = $('<a class="close" href="#">' + close + '</a>');
 
-				return button.bind( 'click.pointer', function() {
+				return button.bind( 'click.pointer', function( e ) {
 					t.element.pointer('close');
+					e.preventDefault();
 				});
 			},
 			position: 'top',