1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/com/juick/service/activities/UndoAnnounceEvent.java b/src/main/java/com/juick/service/activities/UndoAnnounceEvent.java
index 6528f259..683e7f78 100644
--- a/src/main/java/com/juick/service/activities/UndoAnnounceEvent.java
+++ b/src/main/java/com/juick/service/activities/UndoAnnounceEvent.java
@@ -20,8 +20,8 @@ package com.juick.service.activities;
 import org.springframework.context.ApplicationEvent;
 
 public class UndoAnnounceEvent extends ApplicationEvent {
-    private String actorUri;
-    private String messageUri;
+    private final String actorUri;
+    private final String messageUri;
 
     public UndoAnnounceEvent(Object source, String actor, String messageUri) {
         super(source);