diff --git a/Cargo.toml b/Cargo.toml
index 06ba6cf..bd35a49 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name                     = "prometheus_wireguard_exporter"
-version                  = "3.1.0"
+version                  = "3.1.1"
 authors                  = ["Francesco Cogno <francesco.cogno@outlook.com>"]
 description              = "Prometheus WireGuard Exporter"
 edition                  = "2018"
diff --git a/README.md b/README.md
index c52838a..887acb6 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,11 @@
 
 [![Crate](https://img.shields.io/crates/v/prometheus_wireguard_exporter.svg)](https://crates.io/crates/prometheus_wireguard_exporter) [![cratedown](https://img.shields.io/crates/d/prometheus_wireguard_exporter.svg)](https://crates.io/crates/prometheus_wireguard_exporter) [![cratelastdown](https://img.shields.io/crates/dv/prometheus_wireguard_exporter.svg)](https://crates.io/crates/prometheus_wireguard_exporter)
 
-[![release](https://img.shields.io/github/release/MindFlavor/prometheus_wireguard_exporter.svg)](https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/3.1.0)
-[![tag](https://img.shields.io/github/tag/mindflavor/prometheus_wireguard_exporter.svg)](https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/3.1.0)
+[![release](https://img.shields.io/github/release/MindFlavor/prometheus_wireguard_exporter.svg)](https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/3.1.1)
+[![tag](https://img.shields.io/github/tag/mindflavor/prometheus_wireguard_exporter.svg)](https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/3.1.1)
 
 [![Build Status](https://travis-ci.org/MindFlavor/prometheus_wireguard_exporter.svg?branch=master)](https://travis-ci.org/MindFlavor/prometheus_wireguard_exporter)
-[![commitssince](https://img.shields.io/github/commits-since/mindflavor/prometheus_wireguard_exporter/3.1.0.svg)](https://img.shields.io/github/commits-since/mindflavor/prometheus_wireguard_exporter/3.1.0.svg)
+[![commitssince](https://img.shields.io/github/commits-since/mindflavor/prometheus_wireguard_exporter/3.1.1.svg)](https://img.shields.io/github/commits-since/mindflavor/prometheus_wireguard_exporter/3.1.1.svg)
 
 ## Intro
 
@@ -47,7 +47,7 @@ Start the binary with `-h` to get the complete syntax. The parameters are:
 | Parameter | Mandatory | Valid values | Default | Description |
 | -- | -- | -- | -- | -- |
 | `-v` | no | <switch> | | Enable verbose mode.
-| `-p` | no | any valid ip address | 127.0.0.1 | Specify the service address. This is the address your Prometheus instance should point to.
+| `-p` | no | any valid ip address | 0.0.0.0 | Specify the service address. This is the address your Prometheus instance should point to.
 | `-p` | no | any valid port number | 9586 | Specify the service port. This is the port your Prometheus instance should point to.
 | `-n` | no | path to the wireguard configuration file | | This flag adds the *friendly_name* attribute to the exported entries. See [Friendly names](#friendly-names) for more details.
 | `-s` | no | <switch> | off | Enable the allowed ip + subnet split mode for the labels.
diff --git a/src/main.rs b/src/main.rs
index 4dae566..d060a60 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,8 +20,8 @@ use wireguard_config::peer_entry_hashmap_try_from;
 extern crate prometheus_exporter_base;
 use crate::exporter_error::ExporterError;
 use prometheus_exporter_base::render_prometheus;
-use std::sync::Arc;
 use std::net::Ipv4Addr;
+use std::sync::Arc;
 
 fn wg_with_text(
     wg_config_str: &str,
@@ -94,7 +94,7 @@ fn main() {
             Arg::with_name("addr")
                 .short("l")
                 .help("exporter address")
-                .default_value("127.0.0.1")
+                .default_value("0.0.0.0")
                 .takes_value(true),
         )
         .arg(
@@ -148,7 +148,11 @@ fn main() {
 
     let bind = matches.value_of("port").unwrap();
     let bind = u16::from_str_radix(&bind, 10).expect("port must be a valid number");
-    let ip = matches.value_of("addr").unwrap().parse::<Ipv4Addr>().unwrap();
+    let ip = matches
+        .value_of("addr")
+        .unwrap()
+        .parse::<Ipv4Addr>()
+        .unwrap();
     let addr = (ip, bind).into();
 
     info!("starting exporter on http://{}/metrics", addr);