diff --git a/policy/modules/kernel/corenetwork.te.in b/policy/modules/kernel/corenetwork.te.in
index f1188737..bb4adcb3 100644
--- a/policy/modules/kernel/corenetwork.te.in
+++ b/policy/modules/kernel/corenetwork.te.in
@@ -199,6 +199,7 @@ network_port(rsh, tcp,514,s0)
 network_port(rsync, tcp,873,s0, udp,873,s0)
 network_port(rwho, udp,513,s0)
 network_port(sap, tcp,9875,s0, udp,9875,s0)
+network_port(sametime, tcp,1533,s0, udp,1533,s0)
 network_port(sieve, tcp,4190,s0)
 network_port(sip, tcp,5060-5061,s0, udp,5060-5061,s0)
 network_port(sixxsconfig, tcp,3874,s0, udp,3874,s0)