diff --git a/fsfe.xsl b/fsfe.xsl
index 1479ea3407..e03588aa38 100644
--- a/fsfe.xsl
+++ b/fsfe.xsl
@@ -9,7 +9,7 @@
   -->
   
   <xsl:import href="tools/xsltsl/translations.xsl" />
-  <xsl:output method="html" encoding="utf-8" indent="yes" /> <!--doctype-public="html" />-->
+  <xsl:output method="html" encoding="utf-8" indent="yes" doctype-public="XSLT-compat" />
 
   <!-- The top level element of the input file is "buildinfo" -->
   <xsl:template match="buildinfo">