diff --git a/xml/dtd/pentestreport.xsd b/xml/dtd/pentestreport.xsd
index b2a2a9a..1fd2c1a 100644
--- a/xml/dtd/pentestreport.xsd
+++ b/xml/dtd/pentestreport.xsd
@@ -371,6 +371,7 @@
       <xs:element name="client_short"/>
       <xs:element name="client_street"/>
       <xs:element name="client_city"/>
+      <xs:element name="client_postal_code"/>
       <xs:element name="client_country"/>
       <xs:element name="company_long"/>
       <xs:element name="company_short"/>
diff --git a/xml/xslt/placeholders.xslt b/xml/xslt/placeholders.xslt
index 1c40e9a..b96999b 100644
--- a/xml/xslt/placeholders.xslt
+++ b/xml/xslt/placeholders.xslt
@@ -49,6 +49,12 @@
             <xsl:with-param name="placeholderElement" select="$placeholderElement"/>
         </xsl:call-template>
     </xsl:template>
+    <xsl:template match="client_postal_code">
+        <xsl:param name="placeholderElement" select="/*/meta//client/postal_code"/>
+        <xsl:call-template name="checkPlaceholder">
+            <xsl:with-param name="placeholderElement" select="$placeholderElement"/>
+        </xsl:call-template>
+    </xsl:template>
     <xsl:template match="client_legal_rep">
         <xsl:param name="placeholderElement" select="/*/meta//client/legal_rep"/>
         <xsl:call-template name="checkPlaceholder">