diff --git a/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/graphdb/GraphDBClient.java b/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/graphdb/GraphDBClient.java
index ddcfe51..40312b4 100644
--- a/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/graphdb/GraphDBClient.java
+++ b/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/graphdb/GraphDBClient.java
@@ -334,6 +334,8 @@ public class GraphDBClient {
 	}
 
 	public String indexOnES(String datasource, String collectionId) throws AriadnePlusPublisherException {
+		String recordsIndexReport = "";
+		String collectionIndexReport = "";
 		try {
 			log.info("Start indexing from "+ datasource + " " + collectionId);
 			runSPQRLQuery.setupConnection( getWriterUser(), getWriterPwd(), this.graphDBServerUrl, getRepository());
@@ -344,16 +346,16 @@ public class GraphDBClient {
 			final ClassPathResource queryTemplateResource = new ClassPathResource("eu/dnetlib/ariadneplus/sparql/read_record_data_template.sparql");
 			String queryTemplate = IOUtils.toString(queryTemplateResource.getInputStream(), StandardCharsets.UTF_8.name());
 			boolean isCollection = false;
-			runSPQRLQuery.executeMultipleQueryGraph(queryTemplate, recordIds, datasource, collectionId, isCollection);
+			recordsIndexReport = runSPQRLQuery.executeMultipleQueryGraph(queryTemplate, recordIds, datasource, collectionId, isCollection);
 			List<String> collectionResourceId = runSPQRLQuery.selectCollectionId(datasource, collectionId);
 			final ClassPathResource selectCollectionTemplateRes = new ClassPathResource("eu/dnetlib/ariadneplus/sparql/read_collection_data_template.sparql");
 			String selectCollectionTemplate = IOUtils.toString(selectCollectionTemplateRes.getInputStream(), StandardCharsets.UTF_8.name());
 			isCollection = true;
-			runSPQRLQuery.executeMultipleQueryGraph(selectCollectionTemplate, collectionResourceId, datasource, collectionId, isCollection);
+			collectionIndexReport = runSPQRLQuery.executeMultipleQueryGraph(selectCollectionTemplate, collectionResourceId, datasource, collectionId, isCollection);
 		}catch(Throwable e){
 			log.error(e);
 			throw new AriadnePlusPublisherException(e);
 		}
-		return "ok";
+		return "Records: ".concat(recordsIndexReport).concat(" Collection: ").concat(collectionIndexReport);
 	}
 }