diff --git a/solr/core/src/test/org/apache/solr/cloud/ChaosMonkeyNothingIsSafeTest.java b/solr/core/src/test/org/apache/solr/cloud/ChaosMonkeyNothingIsSafeTest.java
index 689f284087a..456876fd3c0 100644
--- a/solr/core/src/test/org/apache/solr/cloud/ChaosMonkeyNothingIsSafeTest.java
+++ b/solr/core/src/test/org/apache/solr/cloud/ChaosMonkeyNothingIsSafeTest.java
@@ -61,6 +61,7 @@ public class ChaosMonkeyNothingIsSafeTest extends AbstractFullDistribZkTestBase
     // can help to hide this when testing and looking at logs
     //ignoreException("shard update error");
     System.setProperty("numShards", Integer.toString(sliceCount));
+    useFactory("solr.StandardDirectoryFactory");
   }
   
   @Override