This is the code to fix this issue. Please put it to the page.
(function($){
var hideMethod = $.fn.tooltip.methods.hide;
$.extend($.fn.tooltip.methods, {
hide: function(jq, e){
return jq.each(function(){
var tip = $(this).data('tooltip').tip;
if (tip && tip.is(':visible')){
hideMethod.call($(this),$(this),e);
}
})
}
})
})(jQuery);