diff --git a/src/calanonsync/caldav.go b/src/calanonsync/caldav.go
index 2040e02..576dff4 100644
--- a/src/calanonsync/caldav.go
+++ b/src/calanonsync/caldav.go
@@ -83,14 +83,14 @@ var fieldMatch = regexp.MustCompile(`^(\w+)[;:]`)
 // they are converted to local timezone and tried again. If that
 // also fails the event is NOT considered whole day!
 func (ical *ICal) Update(newStart, newEnd time.Time, wholeDay bool) {
-	if wholeDay && (newStart.Hour() != 0 || newStart.Minute() != 0 ||
-		newEnd.Hour() != 0 || newEnd.Hour() != 0) {
+	if wholeDay && (newStart.Hour() != 0 || newStart.Minute() != 0 || newStart.Second() != 0 ||
+		newEnd.Hour() != 0 || newEnd.Minute() != 0 || newEnd.Second() != 0) {
 
 		newStart = newStart.In(time.Local)
 		newEnd = newEnd.In(time.Local)
 
-		if newStart.Hour() != 0 || newStart.Minute() != 0 ||
-			newEnd.Hour() != 0 || newEnd.Hour() != 0 {
+		if newStart.Hour() != 0 || newStart.Minute() != 0 || newStart.Second() != 0 ||
+			newEnd.Hour() != 0 || newEnd.Minute() != 0 || newEnd.Second() != 0 {
 
 			log.Printf("Cannot update event %s as whole day.\n", ical.UID())
 			wholeDay = false