diff --git a/wirtschaftsuniversitat-wien-handel-und-marketing.csl b/wirtschaftsuniversitat-wien-handel-und-marketing.csl
index f01a7d4ad7..6d4eeb593b 100644
--- a/wirtschaftsuniversitat-wien-handel-und-marketing.csl
+++ b/wirtschaftsuniversitat-wien-handel-und-marketing.csl
@@ -9,13 +9,13 @@
     <link href="https://learn.wu.ac.at/bibliothek/literaturverwaltung" rel="documentation"/>
     <link href="https://www.wu.ac.at/fileadmin/wu/d/i/retail/PDF_Dokumente/Bachelor/HM_Zitiervorschriften_Juni2016.pdf" rel="documentation"/>
     <author>
-      <name>Georg Duffner</name>
-      <email>georg.duffner@wu.ac.at</email>
+      <name>Georg Mayr-Duffner</name>
+      <email>bibliothek@wu.ac.at</email>
     </author>
     <category citation-format="author-date"/>
     <category field="social_science"/>
     <summary>Citation style for WU Vienna’s Institute for Retailing &amp; Marketing.</summary>
-    <updated>2016-09-26T13:44:05+00:00</updated>
+    <updated>2019-09-11T18:54:03+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="de">
@@ -129,19 +129,11 @@
           <group delimiter="; " prefix="(" suffix=").">
             <group delimiter=": ">
               <text value="Stand"/>
-              <date variable="issued">
-                <date-part name="day" form="numeric-leading-zeros"/>
-                <date-part name="month" form="numeric-leading-zeros"/>
-                <date-part name="year"/>
-              </date>
+              <date variable="issued" form="numeric"/>
             </group>
             <group delimiter=": ">
               <text term="accessed"/>
-              <date variable="accessed">
-                <date-part name="day" form="numeric-leading-zeros" suffix="."/>
-                <date-part name="month" form="numeric-leading-zeros" suffix="."/>
-                <date-part name="year"/>
-              </date>
+              <date variable="accessed" form="numeric"/>
             </group>
           </group>
         </group>
@@ -189,9 +181,7 @@
   <macro name="issued">
     <choose>
       <if variable="issued">
-        <date variable="issued">
-          <date-part name="year"/>
-        </date>
+        <date date-parts="year" form="numeric" variable="issued"/>
       </if>
       <else>
         <text term="no date" form="short"/>