--- a/src/XmlHandler.h	Thu Dec 20 00:26:00 2018 +0100
+++ b/src/XmlHandler.h	Sat Jan 05 18:38:14 2019 +0100
@@ -87,7 +87,7 @@
 
 		if (relationCount == 0) {
 			output << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" << std::endl;
-			output << "<pipe>" << std::endl;
+			output << "<pipe xmlns=\"tag:globalcode.info,2018:relpipe\">" << std::endl;
 			// TODO: xmlns
 		} else {
 			output << INDENT << INDENT << "</record>" << std::endl;