diff -r dca186d3911f -r 0646c14e36fb src/main/java/de/uapcore/lightpit/entities/User.java
--- a/src/main/java/de/uapcore/lightpit/entities/User.java	Fri May 22 16:21:31 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/entities/User.java	Fri May 22 16:21:59 2020 +0200
@@ -89,7 +89,7 @@
             dn.append(lastname);
         dn.append(' ');
         if (mail != null && !mail.isBlank()) {
-            dn.append("<"+mail+">");
+            dn.append("<" + mail + ">");
         }
         final var str = dn.toString().trim();
         return str.isBlank() ? username : str;