diff --git a/SOPE/NGCards/ChangeLog b/SOPE/NGCards/ChangeLog
index e32ca7c60..f3dcd4881 100644
--- a/SOPE/NGCards/ChangeLog
+++ b/SOPE/NGCards/ChangeLog
@@ -1,5 +1,9 @@
 2010-10-08  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* iCalEvent.m (-setAllDayWithStartDate:duration:): added a
+	work-around for bug 866, by adding one hour in addition to the
+	offset in days from the start date.
+
 	* NSString+NGCards.m (-unescapedFromCard): removed obsolete
 	method.
 	(-componentsWithSafeSeparator:): renamed to
diff --git a/SOPE/NGCards/iCalEvent.m b/SOPE/NGCards/iCalEvent.m
index 3bbde5c50..3afe3b071 100644
--- a/SOPE/NGCards/iCalEvent.m
+++ b/SOPE/NGCards/iCalEvent.m
@@ -57,7 +57,9 @@
 
   [(iCalDateTime *) [self uniqueChildWithTag: @"dtstart"]
 		    setDate: newStartDate];
-  endDate = [newStartDate dateByAddingYears: 0 months: 0 days: days];
+  // HACK: we add 1 hour to avoid losing a day on time shift dates
+  endDate = [newStartDate dateByAddingYears: 0 months: 0 days: days
+				hours: 1 minutes: 0 seconds: 0];
   [endDate setTimeZone: [newStartDate timeZone]];
   [(iCalDateTime *) [self uniqueChildWithTag: @"dtend"]
 		    setDate: endDate];