diff --git a/it-windows-base/ports.tf b/it-windows-base/ports.tf
index c1340b0..b148f73 100644
--- a/it-windows-base/ports.tf
+++ b/it-windows-base/ports.tf
@@ -27,8 +27,8 @@ locals {
   ports = [
     [-1, -1, "icmp", "ICMP", local.n_all, ["external"]],
     [161, 161, "udp", "SNMP", local.n_all, ["external"]],
-    [5201, 5203, "tcp", "iperf3", local.n_all, ["external"]],
-    [5201, 5203, "udp", "iperf3", local.n_all, ["external"]],
+    [5201, 5201, "tcp", "iperf3", local.n_all, ["external"]],
+    [5201, 5201, "udp", "iperf3", local.n_all, ["external"]],
     [1556, 1556, "tcp", "Netbackup", local.n_backup, ["external"]],
     [3389, 3389, "tcp", "RDP", local.n_census, ["external"]],
     [5986, 5986, "tcp", "WinRM-https", local.n_ansible, ["external"]],