diff --git a/lib/icinga/downtime.cpp b/lib/icinga/downtime.cpp
index 50c91b3f3..391b543b9 100644
--- a/lib/icinga/downtime.cpp
+++ b/lib/icinga/downtime.cpp
@@ -376,7 +376,7 @@ void Downtime::RemoveDowntime(const String& id, bool includeChildren, DowntimeRe
 
 	if (includeChildren) {
 		for (const Downtime::Ptr& child : downtime->GetChildren()) {
-			Downtime::RemoveDowntime(child->GetName(), true, removalReason);
+			Downtime::RemoveDowntime(child->GetName(), true, removalReason, removedBy);
 		}
 	}