diff --git a/nkjp2korap.xsl b/nkjp2korap.xsl
index 19f5a1a..cf44cd9 100644
--- a/nkjp2korap.xsl
+++ b/nkjp2korap.xsl
@@ -473,7 +473,7 @@
   <xsl:template match="tei:titleStmt" mode="text">
     <titleStmt>
       <textSigle>
-        <xsl:value-of select="$corpusID || '/' || $textID"/>
+        <xsl:value-of select="$corpusID || '/' || $docID || '.' || $textID"/>
       </textSigle>
       <xsl:apply-templates mode="text"/>
     </titleStmt>