diff --git a/lib/krb5/pac.c b/lib/krb5/pac.c
index 1cd28fc59..72da58dc7 100644
--- a/lib/krb5/pac.c
+++ b/lib/krb5/pac.c
@@ -730,7 +730,9 @@ build_logon_name(krb5_context context,
     CHECK(ret, krb5_store_uint32(sp, t >> 32), out);
 
     ret = krb5_unparse_name_flags(context, principal,
-				  KRB5_PRINCIPAL_UNPARSE_NO_REALM, &s);
+				  KRB5_PRINCIPAL_UNPARSE_NO_REALM |
+				  KRB5_PRINCIPAL_UNPARSE_DISPLAY,
+				  &s);
     if (ret)
 	goto out;