diff --git a/UI/MailPartViewers/UIxMailPartICalActions.m b/UI/MailPartViewers/UIxMailPartICalActions.m
index d68ed9acb..281ee4bdc 100644
--- a/UI/MailPartViewers/UIxMailPartICalActions.m
+++ b/UI/MailPartViewers/UIxMailPartICalActions.m
@@ -191,7 +191,7 @@
 
 	      recurrenceTime = [NSString stringWithFormat: @"%f", 
 					 [[emailEvent recurrenceId] timeIntervalSince1970]];
-	      calendarEvent = (iCalEvent *)[*eventObject lookupOccurence: recurrenceTime];
+	      calendarEvent = (iCalEvent *)[*eventObject lookupOccurrence: recurrenceTime];
 	    }
 	  else
 	    calendarEvent = (iCalEvent *) [*eventObject component: NO  secure: NO];
diff --git a/UI/MailPartViewers/UIxMailPartICalViewer.m b/UI/MailPartViewers/UIxMailPartICalViewer.m
index 37a78aaac..de2cfc058 100644
--- a/UI/MailPartViewers/UIxMailPartICalViewer.m
+++ b/UI/MailPartViewers/UIxMailPartICalViewer.m
@@ -299,7 +299,7 @@
   if (recurrenceId)
     {
       recurrenceTime = [NSString stringWithFormat: @"%f", [recurrenceId timeIntervalSince1970]];
-      isInCalendar = ([[self storedEventObject] lookupOccurence: recurrenceTime] != nil);
+      isInCalendar = ([[self storedEventObject] lookupOccurrence: recurrenceTime] != nil);
     }
   else
     isInCalendar = ([self storedEventObject] != nil);
@@ -324,7 +324,7 @@
 	  iCalPerson *organizer;
 
 	  recurrenceTime = [NSString stringWithFormat: @"%f", [recurrenceId timeIntervalSince1970]];
-	  storedEvent = (iCalEvent*)[[self storedEventObject] lookupOccurence: recurrenceTime];
+	  storedEvent = (iCalEvent*)[[self storedEventObject] lookupOccurrence: recurrenceTime];
 
 	  if (storedEvent == nil)
 	    // If no occurence found, create one