diff --git a/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java b/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
index e075392c32218..b6e996050c30a 100644
--- a/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
+++ b/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
@@ -1097,6 +1097,11 @@ static long machineMemoryFromStats(OsStats stats) {
         return mem;
     }
 
+    @Override
+    public List<NamedWriteableRegistry.Entry> getNamedWriteables() {
+        return MlAutoscalingNamedWritableProvider.getNamedWriteables();
+    }
+
     @Override
     public List<NamedXContentRegistry.Entry> getNamedXContent() {
         List<NamedXContentRegistry.Entry> namedXContent = new ArrayList<>();