diff --git a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
index 9d43746d6010364540583a5a2a02bdee854754c0..67760ae35e6e6c73c246b8de2ee7da9a3b3b4f11 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
@@ -234,7 +234,7 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
         int len = nl.getLength();
         for ( int i = 0; i < len; i++ ) {
             Node node = nl.item(i);
-            String id = String.valueOf(node.getAttributes().getNamedItem("id"));
+            String id = String.valueOf(node.getAttributes().getNamedItem("id").getTextContent());
             String value = node.getTextContent();
             attributes.put(id, value);
         }