diff --git a/plugin/src/main/java/org/opensearch/ml/plugin/MachineLearningPlugin.java b/plugin/src/main/java/org/opensearch/ml/plugin/MachineLearningPlugin.java
index 065e0ec371..e3097e25db 100644
--- a/plugin/src/main/java/org/opensearch/ml/plugin/MachineLearningPlugin.java
+++ b/plugin/src/main/java/org/opensearch/ml/plugin/MachineLearningPlugin.java
@@ -1062,10 +1062,12 @@ public void loadExtensions(ExtensionLoader loader) {
     @Override
     public Map<String, org.opensearch.ingest.Processor.Factory> getProcessors(org.opensearch.ingest.Processor.Parameters parameters) {
         Map<String, org.opensearch.ingest.Processor.Factory> processors = new HashMap<>();
+        NamedXContentRegistry contentRegistry = new NamedXContentRegistry(getNamedXContent());
+
         processors
             .put(
                 MLInferenceIngestProcessor.TYPE,
-                new MLInferenceIngestProcessor.Factory(parameters.scriptService, parameters.client, xContentRegistry)
+                new MLInferenceIngestProcessor.Factory(parameters.scriptService, parameters.client, contentRegistry)
             );
         return Collections.unmodifiableMap(processors);
     }