diff --git a/xml2xslt.xsl b/xml2xslt.xsl
index 030b6ad..e36ab60 100755
--- a/xml2xslt.xsl
+++ b/xml2xslt.xsl
@@ -32,7 +32,7 @@
 
 	<xsl:template match="/">
 		
-		<xsl-out:stylesheet version="1.0">
+		<xsl-out:stylesheet version="1.0" exclude-result-prefixes="exsl">
 		
 		<xsl-out:strip-space elements="*"/>