diff --git a/demos/tweetstore/runatcloud-tweetstore/src/test/java/org/jclouds/demo/tweetstore/integration/StaxSdkAppServer2.java b/demos/tweetstore/runatcloud-tweetstore/src/test/java/org/jclouds/demo/tweetstore/integration/StaxSdkAppServer2.java
index fd3d30ebc2..4dbece1747 100644
--- a/demos/tweetstore/runatcloud-tweetstore/src/test/java/org/jclouds/demo/tweetstore/integration/StaxSdkAppServer2.java
+++ b/demos/tweetstore/runatcloud-tweetstore/src/test/java/org/jclouds/demo/tweetstore/integration/StaxSdkAppServer2.java
@@ -76,7 +76,7 @@ class StaxSdkAppServer2 {
     }
     
     private final StaxSdkAppServer server;
-    private Thread serverThread;
+    private final Thread serverThread;
     
     private StaxSdkAppServer2(StaxSdkAppServer server) {
         this.server = server;