diff --git a/lib/icingadb/icingadb-objects.cpp b/lib/icingadb/icingadb-objects.cpp
index 8b129e4e841..e9b277fcf0f 100644
--- a/lib/icingadb/icingadb-objects.cpp
+++ b/lib/icingadb/icingadb-objects.cpp
@@ -1860,6 +1860,7 @@ void IcingaDB::SendStartedDowntime(const Downtime::Ptr& downtime)
 		"scheduled_end_time", Convert::ToString(TimestampToMilliseconds(downtime->GetEndTime())),
 		"has_been_cancelled", Convert::ToString((unsigned short)downtime->GetWasCancelled()),
 		"trigger_time", Convert::ToString(TimestampToMilliseconds(downtime->GetTriggerTime())),
+		"cancel_time", Convert::ToString(TimestampToMilliseconds(downtime->GetRemoveTime())),
 		"event_id", CalcEventID("downtime_start", downtime),
 		"event_type", "downtime_start"
 	});