diff --git a/test/framework/src/main/java/org/elasticsearch/upgrades/AbstractFullClusterRestartTestCase.java b/test/framework/src/main/java/org/elasticsearch/upgrades/AbstractFullClusterRestartTestCase.java
index 62c8e2f00ff..7e73e795b8a 100644
--- a/test/framework/src/main/java/org/elasticsearch/upgrades/AbstractFullClusterRestartTestCase.java
+++ b/test/framework/src/main/java/org/elasticsearch/upgrades/AbstractFullClusterRestartTestCase.java
@@ -57,4 +57,9 @@ public abstract class AbstractFullClusterRestartTestCase extends ESRestTestCase
         return true;
     }
 
+    @Override
+    protected boolean preserveClusterSettings() {
+        return true;
+    }
+
 }