diff --git a/server/src/test/java/org/elasticsearch/cluster/routing/DelayedAllocationServiceTests.java b/server/src/test/java/org/elasticsearch/cluster/routing/DelayedAllocationServiceTests.java
index 5f3089d052e0b..1bdde1fd977ad 100644
--- a/server/src/test/java/org/elasticsearch/cluster/routing/DelayedAllocationServiceTests.java
+++ b/server/src/test/java/org/elasticsearch/cluster/routing/DelayedAllocationServiceTests.java
@@ -400,6 +400,7 @@ public void testDelayedUnassignedScheduleRerouteAfterDelayedReroute() throws Exc
         verifyNoMoreInteractions(clusterService);
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/84520")
     public void testDelayedUnassignedScheduleRerouteRescheduledOnShorterDelay() throws Exception {
         TimeValue delaySetting = timeValueSeconds(30);
         TimeValue shorterDelaySetting = timeValueMillis(100);