diff --git a/plugin/src/test/java/org/elasticsearch/transport/KnownActionsTests.java b/plugin/src/test/java/org/elasticsearch/transport/KnownActionsTests.java
index 25197ac5b39..8bc294ff9fe 100644
--- a/plugin/src/test/java/org/elasticsearch/transport/KnownActionsTests.java
+++ b/plugin/src/test/java/org/elasticsearch/transport/KnownActionsTests.java
@@ -73,6 +73,7 @@ public class KnownActionsTests extends SecurityIntegTestCase {
         codeActions = loadCodeActions();
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/x-pack-elasticsearch/issues/1856")
     public void testAllTransportHandlersAreKnown() {
         TransportService transportService = internalCluster().getDataNodeInstance(TransportService.class);
         for (String handler : transportService.requestHandlers.keySet()) {