diff --git a/jquery-ui-timepicker-addon.js b/jquery-ui-timepicker-addon.js
index 99a2ebc..083e7d2 100644
--- a/jquery-ui-timepicker-addon.js
+++ b/jquery-ui-timepicker-addon.js
@@ -289,7 +289,7 @@ $.extend(Timepicker.prototype, {
 			if (o.showHour && o.hourGrid > 0) {
 				html += '<dd class="ui_tpicker_hour">' +
 						'<div id="ui_tpicker_hour_' + dp_id + '"' + ((o.showHour)   ? '' : noDisplay) + '></div>' +
-						'<div style="padding-left: 1px"><table><tr>';
+						'<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';
 
 				for (var h = o.hourMin; h <= hourMax; h += o.hourGrid) {
 					hourGridSize++;
@@ -315,7 +315,7 @@ $.extend(Timepicker.prototype, {
 				html += '<dd class="ui_tpicker_minute ui_tpicker_minute_' + o.minuteGrid + '">' +
 						'<div id="ui_tpicker_minute_' + dp_id + '"' +
 						((o.showMinute) ? '' : noDisplay) + '></div>' +
-						'<div style="padding-left: 1px"><table><tr>';
+						'<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';
 
 				for (var m = o.minuteMin; m <= minMax; m += o.minuteGrid) {
 					minuteGridSize++;