diff --git a/mozilla/calendar/providers/wcap/calWcapSession.js b/mozilla/calendar/providers/wcap/calWcapSession.js
index d8886565c7b..9eb1724b982 100644
--- a/mozilla/calendar/providers/wcap/calWcapSession.js
+++ b/mozilla/calendar/providers/wcap/calWcapSession.js
@@ -281,7 +281,7 @@ calWcapSession.prototype = {
                                         outUser.value, outPW.value);
                         } else {
                             log("login prompt cancelled.", this_);
-//                             this_.defaultCalendar.setProperty("disabled", true);
+                            this_.defaultCalendar.setProperty("disabled", true);
                             respFunc(new Components.Exception(errorToString(calIWcapErrors.WCAP_LOGIN_FAILED),
                                                               calIWcapErrors.WCAP_LOGIN_FAILED));
                         }