diff --git a/src/etc/checkstyle/checkstyle-frames.xsl b/src/etc/checkstyle/checkstyle-frames.xsl
index abaafd630..c79c0b7b1 100644
--- a/src/etc/checkstyle/checkstyle-frames.xsl
+++ b/src/etc/checkstyle/checkstyle-frames.xsl
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
     xmlns:lxslt="http://xml.apache.org/xslt"
-    xmlns:redirect="org.apache.xalan.lib.Redirect"
+    xmlns:redirect="http://xml.apache.org/xalan/redirect"
     extension-element-prefixes="redirect">
 
 <!--