diff --git a/xtandempipeline/src/fr/inra/pappso/xtandempipeline/sax_parse/MassChroQmlWriter.java b/xtandempipeline/src/fr/inra/pappso/xtandempipeline/sax_parse/MassChroQmlWriter.java
index 3e86f0ad84bbb1bc7b5717170fdc87dfaf79983e..2d727c3c12096132f5aed6b9dd8ac10a72a23484 100644
--- a/xtandempipeline/src/fr/inra/pappso/xtandempipeline/sax_parse/MassChroQmlWriter.java
+++ b/xtandempipeline/src/fr/inra/pappso/xtandempipeline/sax_parse/MassChroQmlWriter.java
@@ -70,13 +70,13 @@ public class MassChroQmlWriter {
 			throws XMLStreamException, ProticPortException {
 		logger.debug("write begin");
 		long duracel = System.currentTimeMillis();
-		writer.setPrefix("xsi", xmlnsxsi);
-		writer.setDefaultNamespace(namespaceURI);
+		//writer.setPrefix("xsi", xmlnsxsi);
+		//writer.setDefaultNamespace(namespaceURI);
 		writer.writeStartElement("masschroq");
-		writer.writeNamespace("xsi", xmlnsxsi);
-		writer.writeDefaultNamespace(namespaceURI);
+		//writer.writeNamespace("xsi", xmlnsxsi);
+		//writer.writeDefaultNamespace(namespaceURI);
 
-		writer.writeAttribute(xmlnsxsi, "schemaLocation", xsischemaLocation);
+		//writer.writeAttribute(xmlnsxsi, "schemaLocation", xsischemaLocation);
 
 		this.writeRawData(ident);
 		this.writeGroups(ident);
@@ -95,7 +95,7 @@ public class MassChroQmlWriter {
 		this.writeQuantification(isotopic_mods);
 		// sauvegarde
 
-		logger.info("Duration creating mzXml xml document: "
+		logger.info("Duration creating MassChroQml xml document: "
 				+ (System.currentTimeMillis() - duracel) + " ms");
 		// masschroq
 		writer.writeEndElement();