diff --git a/SOPE/NGCards/iCalAlarm.m b/SOPE/NGCards/iCalAlarm.m
index cc7bc363e..03b6e33dd 100644
--- a/SOPE/NGCards/iCalAlarm.m
+++ b/SOPE/NGCards/iCalAlarm.m
@@ -27,6 +27,7 @@
 #import "iCalEvent.h"
 #import "iCalRecurrenceRule.h"
 #import "iCalTrigger.h"
+#import "iCalToDo.h"
 #import "NSString+NGCards.h"
 
 #import "iCalAlarm.h"
@@ -114,14 +115,13 @@
   NSCalendarDate *relationDate, *nextAlarmDate;
   NSString *relation;
   NSTimeInterval anInterval;
-  iCalEvent *parentEvent;
 
   nextAlarmDate = nil;
 
   parentClass = [parent class];
-  if ([parentClass isKindOfClass: [iCalEvent class]])
+  if ([parentClass isKindOfClass: [iCalEvent class]]
+      || [parentClass isKindOfClass: [iCalToDo class]])
     {
-      parentEvent = (iCalEvent *) parent;
       aTrigger = [self trigger];
 
       if ([[aTrigger valueType] caseInsensitiveCompare: @"DURATION"])
@@ -129,9 +129,14 @@
           relation = [aTrigger relationType];
           anInterval = [[aTrigger value] durationAsTimeInterval];
           if ([relation caseInsensitiveCompare: @"END"] == NSOrderedSame)
-            relationDate = [parentEvent endDate];
+            {
+              if ([parentClass isKindOfClass: [iCalEvent class]])
+                relationDate = [(iCalEvent *) parent endDate];
+              else
+                relationDate = [(iCalToDo *) parent due];
+            }
           else
-            relationDate = [parentEvent startDate];
+            relationDate = [(iCalEntityObject *) parent startDate];
 	      
           // Compute the next alarm date with respect to the reference date
           if ([relationDate isNotNull])