diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py
index 24b439caf48..c4bed49b754 100755
--- a/source3/selftest/tests.py
+++ b/source3/selftest/tests.py
@@ -355,8 +355,8 @@ for t in tests:
         plansmbtorture4testsuite(t, "ad_dc", '//$SERVER_IP/tmp -U$USERNAME%$PASSWORD', 'over ncacn_np ')
         plansmbtorture4testsuite(t, "ad_dc", 'ncacn_ip_tcp:$SERVER_IP -U$USERNAME%$PASSWORD', 'over ncacn_ip_tcp ')
     elif t == "rpc.samr.passwords.validate":
-        plansmbtorture4testsuite(t, "nt4_dc", 'ncacn_ip_tcp:$SERVER_IP -U$USERNAME%$PASSWORD', 'over ncacn_ip_tcp ')
-        plansmbtorture4testsuite(t, "ad_dc", 'ncacn_ip_tcp:$SERVER_IP -U$USERNAME%$PASSWORD', 'over ncacn_ip_tcp ')
+        plansmbtorture4testsuite(t, "nt4_dc", 'ncacn_ip_tcp:$SERVER_IP[seal] -U$USERNAME%$PASSWORD', 'over ncacn_ip_tcp ')
+        plansmbtorture4testsuite(t, "ad_dc", 'ncacn_ip_tcp:$SERVER_IP[seal] -U$USERNAME%$PASSWORD', 'over ncacn_ip_tcp ')
     elif t == "smb2.durable-open" or t == "smb2.durable-v2-open" or t == "smb2.replay":
         plansmbtorture4testsuite(t, "nt4_dc", '//$SERVER_IP/durable -U$USERNAME%$PASSWORD')
         plansmbtorture4testsuite(t, "ad_dc", '//$SERVER_IP/durable -U$USERNAME%$PASSWORD')