diff --git a/doc/comedilib_html_config.xsl b/doc/comedilib_html_config.xsl
index 7c38bd1..6b1ec90 100644
--- a/doc/comedilib_html_config.xsl
+++ b/doc/comedilib_html_config.xsl
@@ -6,4 +6,5 @@
 	<xsl:param name="chunk.section.depth" select="2"/>
 	<xsl:param name="generate.section.toc.level" select="4"/>
 	<xsl:param name="html.stylesheet">comedilib.css</xsl:param>
+	<xsl:param name="funcsynopsis.style">ansi</xsl:param>
 </xsl:stylesheet>