diff --git a/lib/icinga/downtime.cpp b/lib/icinga/downtime.cpp
index 47ef789cb..549b721c1 100644
--- a/lib/icinga/downtime.cpp
+++ b/lib/icinga/downtime.cpp
@@ -211,7 +211,7 @@ bool Downtime::IsExpired() const
 bool Downtime::HasValidConfigOwner() const
 {
 	String configOwner = GetConfigOwner();
-	return configOwner.IsEmpty() || GetObject<ScheduledDowntime>(configOwner);
+	return configOwner.IsEmpty() || Zone::GetByName(GetAuthoritativeZone()) != Zone::GetLocalZone() || GetObject<ScheduledDowntime>(configOwner);
 }
 
 int Downtime::GetNextDowntimeID()