diff --git a/ud/remove.go b/ud/remove.go
index 88e609b193c3aee54d19ac8b27424cd598524bae..0cee8b7a6ba6c73064e869ad7c10f2ce1f72673d 100644
--- a/ud/remove.go
+++ b/ud/remove.go
@@ -10,7 +10,7 @@ import (
 
 
 type removeFactComms interface{
-	SendDeleteMessage(host *connect.Host, message *messages.AuthenticatedMessage)
+	SendDeleteMessage(host *connect.Host, message *messages.AuthenticatedMessage)(*messages.Ack, error)
 }
 
 func (m *Manager)RemoveFact(fact contact.Fact)error{