diff --git a/core/src/main/groovy/com/muwire/core/collections/CollectionFetchedEvent.groovy b/core/src/main/groovy/com/muwire/core/collections/CollectionFetchedEvent.groovy
index 5f652b99..29b2d743 100644
--- a/core/src/main/groovy/com/muwire/core/collections/CollectionFetchedEvent.groovy
+++ b/core/src/main/groovy/com/muwire/core/collections/CollectionFetchedEvent.groovy
@@ -1,8 +1,9 @@
 package com.muwire.core.collections
 
+import com.muwire.core.Event
 import com.muwire.core.InfoHash
 
-class CollectionFetchedEvent {
+class CollectionFetchedEvent extends Event {
     FileCollection collection
     UUID uuid
     InfoHash infoHash