diff --git a/tests/kdc/krb5.conf.in b/tests/kdc/krb5.conf.in
index 58e8970b6..82b672afd 100644
--- a/tests/kdc/krb5.conf.in
+++ b/tests/kdc/krb5.conf.in
@@ -19,8 +19,9 @@
 		kdc = localhost:@port@
 	}
 
-[domain_realms]
+[domain_realm]
 	.sub.test.h5l.se = SUB.TEST.H5L.SE
+	.example.com = TEST2.H5L.SE
 	localhost = TEST.H5L.SE