diff --git a/ChangeLog b/ChangeLog
index 024d73626..e7bff64c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-16  Francis Lachapelle  <flachapelle@inverse.ca>
+
+	* UI/WebServerResources/UIxAttendeesEditor.js (checkAttendee):
+	stop observing events on input field before removing the row,
+	otherwise the blur event is triggered and generates an error.
+
 2012-02-14  Francis Lachapelle  <flachapelle@inverse.ca>
 
 	* UI/WebServerResources/ContactsUI.js (contactsListCallback): when
diff --git a/UI/WebServerResources/UIxAttendeesEditor.js b/UI/WebServerResources/UIxAttendeesEditor.js
index 2753cc35b..b9c06cfc0 100644
--- a/UI/WebServerResources/UIxAttendeesEditor.js
+++ b/UI/WebServerResources/UIxAttendeesEditor.js
@@ -522,6 +522,7 @@ function checkAttendee(input) {
     if (tbody && input.value.blank()) {
         var dataTable = $("freeBusyData").tBodies[0];
         var dataRow = dataTable.rows[row.sectionRowIndex];
+        input.stopObserving();
         tbody.removeChild(row);
         dataTable.removeChild(dataRow);
     }