diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/SetDeliverer.java b/oaipmh-core/src/main/java/info/textgrid/middleware/SetDeliverer.java
index a3e1a0e770480ff51c5d15876f39768f6fd49705..b01b8e4a8538df307c3e35e3bec332fc515753b0 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/SetDeliverer.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/SetDeliverer.java
@@ -40,6 +40,7 @@ public class SetDeliverer {
 
   private static final String DH_COLLECTION_FILTER_NAME = "collectionFilter";
   private static final String DH_COLLECTION_FILTER_TERM_NAME = "collectionFilterTerm";
+  private static final String DH_FIELD_DIVIDER = "&";
 
   // private static Map<String, String> setSet = new Hashtable<String, String>();
 
@@ -125,7 +126,8 @@ public class SetDeliverer {
     else if (this.dariah) {
 
       Script mergeCollectionIDAndTitle = new Script(
-          "doc['administrativeMetadata.dcterms:identifier'].value + '&' + doc['descriptiveMetadata.dc:title'].value");
+          "doc['administrativeMetadata.dcterms:identifier'].value + '" + DH_FIELD_DIVIDER
+              + "' + doc['descriptiveMetadata.dc:title'].value");
 
       // Do filter all collections (via descriptiveMetadata.dc:format) AND
       // get out all the child objects and collections (NO descriptiveMetadata.dc:relation),
@@ -235,12 +237,15 @@ public class SetDeliverer {
             Terms collectionTerms =
                 filterCollection.getAggregations().get(DH_COLLECTION_FILTER_TERM_NAME);
             for (Bucket b : collectionTerms.getBuckets()) {
-
-              System.out.println("  ##  key as string  -->  " + b.getKeyAsString());
-
+              // Divide ID and title.
+              String combined = b.getKeyAsString();
+              int indexOf = combined.indexOf(DH_COLLECTION_FILTER_NAME);
+              String id = combined.substring(0, indexOf);
+              String title = combined.substring(indexOf + 1);
+              // Set set.
               SetType newSet = new SetType();
-              newSet.setSetSpec(b.getKeyAsString());
-              newSet.setSetName("urgl! argl! aua!");
+              newSet.setSetSpec(id);
+              newSet.setSetName(title);
               setList.getSet().add(newSet);
             }
           }