diff --git a/server/src/internalClusterTest/java/org/elasticsearch/plugins/internal/XContentMeteringParserDecoratorIT.java b/server/src/internalClusterTest/java/org/elasticsearch/plugins/internal/XContentMeteringParserDecoratorIT.java
index f70667b91aec8..b59afbdc461f8 100644
--- a/server/src/internalClusterTest/java/org/elasticsearch/plugins/internal/XContentMeteringParserDecoratorIT.java
+++ b/server/src/internalClusterTest/java/org/elasticsearch/plugins/internal/XContentMeteringParserDecoratorIT.java
@@ -10,6 +10,7 @@
 package org.elasticsearch.plugins.internal;
 
 import org.elasticsearch.action.index.IndexRequest;
+import org.elasticsearch.index.Index;
 import org.elasticsearch.index.IndexSettings;
 import org.elasticsearch.index.engine.EngineFactory;
 import org.elasticsearch.index.engine.InternalEngine;
@@ -104,7 +105,7 @@ public IndexResult index(Index index) throws IOException {
                     IndexResult result = super.index(index);
 
                     DocumentSizeReporter documentParsingReporter = documentParsingProvider.newDocumentSizeReporter(
-                        shardId.getIndexName(),
+                        shardId.getIndex(),
                         config().getMapperService(),
                         DocumentSizeAccumulator.EMPTY_INSTANCE
                     );
@@ -131,11 +132,11 @@ public <T> XContentMeteringParserDecorator newMeteringParserDecorator(IndexReque
 
                 @Override
                 public DocumentSizeReporter newDocumentSizeReporter(
-                    String indexName,
+                    Index index,
                     MapperService mapperService,
                     DocumentSizeAccumulator documentSizeAccumulator
                 ) {
-                    return new TestDocumentSizeReporter(indexName);
+                    return new TestDocumentSizeReporter(index);
                 }
             };
         }
@@ -143,10 +144,10 @@ public DocumentSizeReporter newDocumentSizeReporter(
 
     public static class TestDocumentSizeReporter implements DocumentSizeReporter {
 
-        private final String indexName;
+        private final Index index;
 
-        public TestDocumentSizeReporter(String indexName) {
-            this.indexName = indexName;
+        public TestDocumentSizeReporter(Index index) {
+            this.index = index;
         }
 
         @Override
@@ -155,7 +156,7 @@ public void onIndexingCompleted(ParsedDocument parsedDocument) {
             if (delta > XContentMeteringParserDecorator.UNKNOWN_SIZE) {
                 COUNTER.addAndGet(delta);
             }
-            assertThat(indexName, equalTo(TEST_INDEX_NAME));
+            assertThat(index.getName(), equalTo(TEST_INDEX_NAME));
         }
     }
 
diff --git a/server/src/main/java/org/elasticsearch/plugins/internal/DocumentParsingProvider.java b/server/src/main/java/org/elasticsearch/plugins/internal/DocumentParsingProvider.java
index 9df7fd4c3bd43..1334f13d94b37 100644
--- a/server/src/main/java/org/elasticsearch/plugins/internal/DocumentParsingProvider.java
+++ b/server/src/main/java/org/elasticsearch/plugins/internal/DocumentParsingProvider.java
@@ -10,6 +10,7 @@
 package org.elasticsearch.plugins.internal;
 
 import org.elasticsearch.action.index.IndexRequest;
+import org.elasticsearch.index.Index;
 import org.elasticsearch.index.mapper.MapperService;
 
 /**
@@ -23,7 +24,7 @@ public interface DocumentParsingProvider {
      * @return an instance of a reporter to use when parsing has been completed and indexing successful
      */
     default DocumentSizeReporter newDocumentSizeReporter(
-        String indexName,
+        Index index,
         MapperService mapperService,
         DocumentSizeAccumulator documentSizeAccumulator
     ) {