diff --git a/README.md b/README.md
index 8f7f049..8b6d851 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ SSID=my_ssid
 PASS=my_wifi_password
 BROKER=my_ip:1883
 SEED=my_seed
+NETWORK=regtest
 ```
 
 connect to the `sphinxkey` network on your computer
diff --git a/sphinx-key/src/conn/http.rs b/sphinx-key/src/conn/http.rs
index 3b92762..4f60ea0 100644
--- a/sphinx-key/src/conn/http.rs
+++ b/sphinx-key/src/conn/http.rs
@@ -57,6 +57,7 @@ pub fn config_server(mutex: Arc<(Mutex<Option<Config>>, Condvar)>) -> Result<idf
                 broker: dto.broker,
                 ssid: dto.ssid,
                 pass: dto.pass,
+                network: dto.network,
                 seed: seed,
             };
             let mut wait = mutex.0.lock().unwrap();
diff --git a/sphinx-key/src/core/config.rs b/sphinx-key/src/core/config.rs
index f10806e..f3900ef 100644
--- a/sphinx-key/src/core/config.rs
+++ b/sphinx-key/src/core/config.rs
@@ -15,6 +15,7 @@ pub struct Config {
     pub ssid: String,
     pub pass: String,
     pub seed: [u8; 32],
+    pub network: String,
 }
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct ConfigDTO {
@@ -23,6 +24,7 @@ pub struct ConfigDTO {
     pub pass: String,
     pub pubkey: String,
     pub seed: String, // encrypted (56 bytes)
+    pub network: String,
 }
 
 /*
diff --git a/sphinx-key/src/main.rs b/sphinx-key/src/main.rs
index 3f5e11f..1dfe7c4 100644
--- a/sphinx-key/src/main.rs
+++ b/sphinx-key/src/main.rs
@@ -3,20 +3,20 @@ mod conn;
 mod core;
 mod periph;
 
-use crate::core::{events::*, config::*};
+use crate::core::{config::*, events::*};
 use crate::periph::led::led_control_loop;
 use crate::periph::sd::sd_card;
 
-use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, always keep this module imported
-use std::thread;
-use std::sync::{Arc, mpsc};
-use std::time::Duration;
 use anyhow::Result;
+use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, always keep this module imported
+use std::sync::{mpsc, Arc};
+use std::thread;
+use std::time::Duration;
 
-use esp_idf_svc::nvs::*;
-use esp_idf_svc::nvs_storage::EspNvsStorage;
 use embedded_svc::storage::Storage;
 use esp_idf_hal::peripherals::Peripherals;
+use esp_idf_svc::nvs::*;
+use esp_idf_svc::nvs_storage::EspNvsStorage;
 
 use sphinx_key_signer::lightning_signer::bitcoin::Network;
 
@@ -26,31 +26,14 @@ const CLIENT_ID: &str = "sphinx-1";
 #[cfg(feature = "pingpong")]
 const CLIENT_ID: &str = "test-1";
 
-const NETWORK: Option<&'static str> = option_env!("NETWORK");
-
 fn main() -> Result<()> {
-
     // Temporary. Will disappear once ESP-IDF 4.4 is released, but for now it is necessary to call this function once,
     // or else some patches to the runtime implemented by esp-idf-sys might not link properly.
     esp_idf_sys::link_patches();
 
-    let network: Network = if let Some(n) = NETWORK {
-        match n {
-            "bitcoin" => Network::Bitcoin,
-            "mainnet" => Network::Bitcoin,
-            "testnet" => Network::Testnet,
-            "signet" => Network::Signet,
-            "regtest" => Network::Regtest,
-            _ => Network::Regtest,
-        }
-    } else {
-        Network::Regtest
-    };
-
     esp_idf_svc::log::EspLogger::initialize_default();
 
     thread::sleep(Duration::from_secs(1));
-    log::info!("Network set to {:?}", network);
 
     let peripherals = Peripherals::take().unwrap();
     let pins = peripherals.pins;
@@ -63,10 +46,14 @@ fn main() -> Result<()> {
     sd_card(peripherals.spi2);
 
     let default_nvs = Arc::new(EspDefaultNvs::new()?);
-    let mut store = EspNvsStorage::new_default(default_nvs.clone(), "sphinx", true).expect("no storage");
+    let mut store =
+        EspNvsStorage::new_default(default_nvs.clone(), "sphinx", true).expect("no storage");
     let existing: Option<Config> = store.get("config").expect("failed");
     if let Some(exist) = existing {
-        println!("=============> START CLIENT NOW <============== {:?}", exist);
+        println!(
+            "=============> START CLIENT NOW <============== {:?}",
+            exist
+        );
         // store.remove("config").expect("couldnt remove config");
         led_tx.send(Status::ConnectingToWifi).unwrap();
         let _wifi = start_wifi_client(default_nvs.clone(), &exist)?;
@@ -77,17 +64,26 @@ fn main() -> Result<()> {
         // _conn needs to stay in scope or its dropped
         let (mqtt, connection) = conn::mqtt::make_client(&exist.broker, CLIENT_ID)?;
         let mqtt_client = conn::mqtt::start_listening(mqtt, connection, tx)?;
-        
         // this blocks forever... the "main thread"
         log::info!(">>>>>>>>>>> blocking forever...");
         let do_log = true;
+        let network = match exist.network.as_str() {
+            "bitcoin" => Network::Bitcoin,
+            "mainnet" => Network::Bitcoin,
+            "testnet" => Network::Testnet,
+            "signet" => Network::Signet,
+            "regtest" => Network::Regtest,
+            _ => Network::Regtest,
+        };
+        log::info!("Network set to {:?}", network);
         make_event_loop(mqtt_client, rx, network, do_log, led_tx)?;
-        
     } else {
         led_tx.send(Status::WifiAccessPoint).unwrap();
         println!("=============> START SERVER NOW AND WAIT <==============");
         if let Ok((wifi, config)) = start_config_server_and_wait(default_nvs.clone()) {
-            store.put("config", &config).expect("could not store config");
+            store
+                .put("config", &config)
+                .expect("could not store config");
             println!("CONFIG SAVED");
             drop(wifi);
             thread::sleep(Duration::from_secs(1));
diff --git a/tester/src/config.rs b/tester/src/config.rs
index 19984bb..7665d9f 100644
--- a/tester/src/config.rs
+++ b/tester/src/config.rs
@@ -22,6 +22,7 @@ pub struct ConfigBody {
   pub pass: String,
   pub broker: String,
   pub pubkey: String, // for ecdh
+  pub network: String,
 }
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct ConfigResponse {
@@ -37,7 +38,11 @@ async fn main() -> anyhow::Result<()> {
   let broker: String = env::var("BROKER").expect("no broker");
   let seed_string: String = env::var("SEED").expect("no seed");
   let seed: [u8; MSG_LEN] = hex::decode(seed_string)?[..MSG_LEN].try_into()?; 
-  println!("seed {:?}", seed);
+  let network: String = env::var("NETWORK").unwrap_or("regtest".to_string());
+  if !(network == "bitcoin" || network == "mainnet" || network == "testnet" || network == "signet" || network == "regtest") {
+    panic!("invalid network string");
+  }
+  println!("network {:?}", network);
 
   let s = Secp256k1::new();
   let (sk1, pk1) = s.generate_keypair(&mut thread_rng());
@@ -65,7 +70,7 @@ async fn main() -> anyhow::Result<()> {
   let cipher_seed = hex::encode(cipher);
   let config = ConfigBody {
     seed: cipher_seed,
-    ssid, pass, broker,
+    ssid, pass, broker, network,
     pubkey: hex::encode(pk1.serialize()),
   };