diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
index e9bcf802b14c6d807a009c26c1d76187840e3279..53c51563491ae2928fee1851fd69c4f874c207a7 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
@@ -98,7 +98,7 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
               queryField = TGConstants.PROJECT_ID_FOR_TEXTGRID;          
               valueField = setParts[1];
           }
-          
+          System.out.println("");
           QueryBuilder matchQuery = QueryBuilders.matchPhraseQuery(queryField, valueField);
           QueryBuilder boolQuery = QueryBuilders.boolQuery().must(rangeQuery).must(matchQuery).mustNot(filterSandBox);