diff --git /usr/lib/python3/dist-packages/univention/management/console/modules/udm/udm_ldap.py /usr/lib/python3/dist-packages/univention/management/console/modules/udm/udm_ldap.py
index b9b8184e11..db75cca0c7 100644
--- /usr/lib/python3/dist-packages/univention/management/console/modules/udm/udm_ldap.py
+++ /usr/lib/python3/dist-packages/univention/management/console/modules/udm/udm_ldap.py
@@ -1559,7 +1559,7 @@ def read_syntax_choices(syn, options={}, module_search_options={}, ldap_connecti
 				if display in obj:
 					label = obj[display]
 				elif display in obj.oldattr and obj.oldattr[display]:
-					label = obj.oldattr[display][0]
+					label = obj.oldattr[display][0].decode('UTF-8')
 				else:
 					label = 'Unknown attribute %s' % display