diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDelivererDC.java b/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDelivererDC.java
index f0fec6b8b72a51e84057f9750e07b1889ef87d7b..173e22654a87402f09e54f17f1338f2e2a218376 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDelivererDC.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDelivererDC.java
@@ -23,6 +23,7 @@ import org.elasticsearch.search.SearchHit;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
 import org.json.JSONObject;
+import org.springframework.util.SystemPropertyUtils;
 import info.textgrid.middleware.oaipmh.HeaderType;
 import info.textgrid.middleware.oaipmh.ListRecordsType;
 import info.textgrid.middleware.oaipmh.MetadataType;
@@ -260,6 +261,9 @@ public class RecordListDelivererDC extends RecordListDelivererAbstract {
 
           if (this.dariah == true) {
         	String setSpec = "hdl:" + DublinCoreFieldLoader.fillList(hit, DARIAHConstants.IDENTIFIER_LIST).get(0);
+        	
+        	System.out.println("  ##  setSpec  -->  " + setSpec);
+        	
             try {            	
 				dublinCoreBuilder = putContentIntoDCFieldLists2(hit,
 				    furtherDCElements(hit.getId(), OAI_ESClient.getEsClient()));