diff --git a/xml2xslt.xsl b/xml2xslt.xsl
index 5163e52..62afcd4 100644
--- a/xml2xslt.xsl
+++ b/xml2xslt.xsl
@@ -279,7 +279,7 @@
 									<xsl-out:value-of select="$paper-number" />
 									<xsl-out:text>_</xsl-out:text>
 									<xsl-out:value-of select="$period-code" />
-									<xsl-out:text>DNS_</xsl-out:text>
+									<xsl-out:text>DNI_</xsl-out:text>
 									<xsl-out:value-of select="$paper-year" />
 									<xsl-out:text>/db_styles.css</xsl-out:text>
 								</xsl-out:attribute>