diff --git a/README.md b/README.md
index 4bbc5d1..be3cb5c 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Usage:
       -gateway-port int
         	The URL of the upnp service (default 49000)
       -listen-address string
-        	The address to listen on for HTTP requests. (default ":9132")
+        	The address to listen on for HTTP requests. (default ":9133")
       -test
         	print all available metrics to stdout
 
diff --git a/main.go b/main.go
index 768bc84..ab9d293 100644
--- a/main.go
+++ b/main.go
@@ -26,7 +26,7 @@ import (
 
 var (
 	flag_test = flag.Bool("test", false, "print all available metrics to stdout")
-	flag_addr = flag.String("listen-address", ":9132", "The address to listen on for HTTP requests.")
+	flag_addr = flag.String("listen-address", ":9133", "The address to listen on for HTTP requests.")
 
 	flag_gateway_address = flag.String("gateway-address", "fritz.box", "The URL of the upnp service")
 	flag_gateway_port    = flag.Int("gateway-port", 49000, "The URL of the upnp service")