diff --git a/test/simulation/113-leapsecond b/test/simulation/113-leapsecond
index 0daf28b..af4b547 100755
--- a/test/simulation/113-leapsecond
+++ b/test/simulation/113-leapsecond
@@ -27,4 +27,18 @@ for leapmode in system step slew; do
 	check_sync || test_fail
 done
 
+server_conf="refclock SHM 0 dpoll 10 poll 10
+leapsectz right/UTC
+leapsecmode slew
+smoothtime 400 0.001"
+client_conf="leapsecmode system"
+min_sync_time=230000
+max_sync_time=240000
+
+run_test || test_fail
+check_chronyd_exit || test_fail
+check_source_selection || test_fail
+check_packet_interval || test_fail
+check_sync || test_fail
+
 test_pass