diff --git a/jquery.date_input.js b/jquery.date_input.js
index 84ae311..051df19 100644
--- a/jquery.date_input.js
+++ b/jquery.date_input.js
@@ -101,14 +101,14 @@ DateInput.prototype = {
         this.changeInput($(event.target).attr("date"));
       }));
       
-      $("td[date=" + this.dateToString(new Date()) + "]", this.tbody).addClass("today");
+      $("td[date='" + this.dateToString(new Date()) + "']", this.tbody).addClass("today");
       
       $("td.selectable_day", this.tbody).mouseover(function() { $(this).addClass("hover") });
       $("td.selectable_day", this.tbody).mouseout(function() { $(this).removeClass("hover") });
     };
     
     $('.selected', this.tbody).removeClass("selected");
-    $('td[date=' + this.selectedDateString + ']', this.tbody).addClass("selected");
+    $('td[date="' + this.selectedDateString + '"]', this.tbody).addClass("selected");
   },
   
   // Select a particular date. If the date is not specified it is read from the input. If no date is