diff --git a/xml2xslt.xsl b/xml2xslt.xsl
index fbb34bb..5df7319 100755
--- a/xml2xslt.xsl
+++ b/xml2xslt.xsl
@@ -4,6 +4,7 @@
 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 	xmlns:xsl-out="[irrelevant]"
 	xmlns:exsl="http://exslt.org/common"
+	xmlns:xs="http://www.w3.org/2001/XMLSchema"
 >
 
 	<!--