diff --git a/README.md b/README.md
index 3d10aa3..009c9aa 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ Sample configuration that exposes:
 looks like this
 
 ```yaml
-    server_addr: SERVER_IP:4443
+    server_addr: SERVER_IP:5223
     insecure_skip_verify: true
     tunnels:
       webui:
@@ -100,7 +100,7 @@ looks like this
 
 Configuration options:
 
-* `server_addr`: server TCP address, i.e. `54.12.12.45:4443`
+* `server_addr`: server TCP address, i.e. `54.12.12.45:5223`
 * `insecure_skip_verify`: controls whether a client verifies the server's certificate chain and host name, if using self signed certificates must be set to `true`, *default:* `false`
 * `tls_crt`: path to client TLS certificate, *default:* `client.crt` *in the config file directory*
 * `tls_key`: path to client TLS certificate key, *default:* `client.key` *in the config file directory*
diff --git a/cmd/tunnel/options.go b/cmd/tunnel/options.go
index ce606c5..f161b1e 100644
--- a/cmd/tunnel/options.go
+++ b/cmd/tunnel/options.go
@@ -27,7 +27,7 @@ Examples:
 	tunnel start-all
 
 config.yaml:
-	server_addr: SERVER_IP:4443
+	server_addr: SERVER_IP:5223
 	insecure_skip_verify: true
 	tunnels:
 	  webui:
diff --git a/cmd/tunneld/options.go b/cmd/tunneld/options.go
index 949df52..fce0e90 100644
--- a/cmd/tunneld/options.go
+++ b/cmd/tunneld/options.go
@@ -50,7 +50,7 @@ type options struct {
 func parseArgs() *options {
 	httpAddr := flag.String("httpAddr", ":80", "Public address for HTTP connections, empty string to disable")
 	httpsAddr := flag.String("httpsAddr", ":443", "Public address listening for HTTPS connections, emptry string to disable")
-	tunnelAddr := flag.String("tunnelAddr", ":4443", "Public address listening for tunnel client")
+	tunnelAddr := flag.String("tunnelAddr", ":5223", "Public address listening for tunnel client")
 	tlsCrt := flag.String("tlsCrt", "server.crt", "Path to a TLS certificate file")
 	tlsKey := flag.String("tlsKey", "server.key", "Path to a TLS key file")
 	clients := flag.String("clients", "", "Comma-separated list of tunnel client ids")