diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/DublinCoreBuilder.java b/oaipmh-core/src/main/java/info/textgrid/middleware/DublinCoreBuilder.java
index de030e7ab171d47e5d0b6db80dd2c0086eaf47ae..c32e217debcdb839748ce2810cd818c4e40f8695 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/DublinCoreBuilder.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/DublinCoreBuilder.java
@@ -28,7 +28,7 @@ public final class DublinCoreBuilder {
   // Object factory for all the DC elements.
   private ObjectFactory oaiDcObj = new ObjectFactory();
   // Object factory for the DC element that contains all the DC elements.
-  org.openarchives.oai._2_0.oai_dc.ObjectFactory allDCElements =
+  private org.openarchives.oai._2_0.oai_dc.ObjectFactory allDCElements =
       new org.openarchives.oai._2_0.oai_dc.ObjectFactory();
 
   /**