diff --git a/ActiveSync/SOGoMailObject+ActiveSync.m b/ActiveSync/SOGoMailObject+ActiveSync.m
index 3b9af73ae..3e513a4d5 100644
--- a/ActiveSync/SOGoMailObject+ActiveSync.m
+++ b/ActiveSync/SOGoMailObject+ActiveSync.m
@@ -728,18 +728,18 @@ struct GlobalObjectId {
[s appendFormat: @"%d", ([event isAllDay] ? 1 : 0)];
- // StartTime -- http://msdn.microsoft.com/en-us/library/ee157132(v=exchg.80).aspx
+ // StartTime -- https://msdn.microsoft.com/en-us/library/ee203365%28v=exchg.80%29.aspx
if ([event startDate])
- [s appendFormat: @"%@", [[event startDate] activeSyncRepresentationWithoutSeparatorsInContext: context]];
+ [s appendFormat: @"%@", [[event startDate] activeSyncRepresentationInContext: context]];
if ([event timeStampAsDate])
- [s appendFormat: @"%@", [[event timeStampAsDate] activeSyncRepresentationWithoutSeparatorsInContext: context]];
+ [s appendFormat: @"%@", [[event timeStampAsDate] activeSyncRepresentationInContext: context]];
else if ([event created])
- [s appendFormat: @"%@", [[event created] activeSyncRepresentationWithoutSeparatorsInContext: context]];
+ [s appendFormat: @"%@", [[event created] activeSyncRepresentationInContext: context]];
- // EndTime -- http://msdn.microsoft.com/en-us/library/ee157945(v=exchg.80).aspx
+ // EndTime -- https://msdn.microsoft.com/en-us/library/ee158628(v=exchg.80).aspx
if ([event endDate])
- [s appendFormat: @"%@", [[event endDate] activeSyncRepresentationWithoutSeparatorsInContext: context]];
+ [s appendFormat: @"%@", [[event endDate] activeSyncRepresentationInContext: context]];
// FIXME: Single appointment - others are not supported right now
[s appendFormat: @"%d", 0];