diff --git a/mozilla/calendar/resources/content/weekView.js b/mozilla/calendar/resources/content/weekView.js
index 227c5c6e58f..e3ffd1b9b5f 100644
--- a/mozilla/calendar/resources/content/weekView.js
+++ b/mozilla/calendar/resources/content/weekView.js
@@ -484,7 +484,7 @@ WeekView.prototype.refreshDisplay = function( )
          }
       } else {
          /* it's not a weekend */
-        this.removeAttributeFromElements("day", dayIndex);
+        this.removeAttributeFromElements("weekend", dayIndex);
       }
       
       // advance to next day