--- Belnet/https%3A%2F%2Fdelt.acdh.oeaw.ac.at%2Fshibboleth.xml
+++ CLARIN IdP/https%3A%2F%2Fdelt.acdh.oeaw.ac.at%2Fshibboleth.xml
@@ -87,7 +87,7 @@
   </Organization>
   <ContactPerson contactType="technical">
     <GivenName>Mateusz</GivenName>
-    <SurName>Zóltak</SurName>
+    <SurName>Żółtak</SurName>
     <EmailAddress>mailto:mateusz.zoltak@oeaw.ac.at</EmailAddress>
   </ContactPerson>
   <ContactPerson contactType="technical">