diff --git a/ui/jquery.ui.datepicker.js b/ui/jquery.ui.datepicker.js
index 091fe3101..cd4ffe3ee 100644
--- a/ui/jquery.ui.datepicker.js
+++ b/ui/jquery.ui.datepicker.js
@@ -1414,7 +1414,7 @@ $.extend(Datepicker.prototype, {
 	 */
 	_attachHandlers: function(inst) {
 		var stepMonths = this._get(inst, 'stepMonths');
-		var id = '#' + inst.id;
+		var id = '#' + inst.id.replace( /\\\\/g, "\\" );
 		inst.dpDiv.find('[data-handler]').map(function () {
 			var handler = {
 				prev: function () {