diff --git a/lib/modem.js b/lib/modem.js
index dec3460..703b4d4 100644
--- a/lib/modem.js
+++ b/lib/modem.js
@@ -310,6 +310,7 @@ async function sendSMS(destination, msg) {
 }
 
 function init() {
+    registerModem(modemInfo);
     port = new SerialPort(config.modem.device, { baudRate: 115200 }, (err) => {
         if (err) {
             logger.warn(`Error opening modem. ${err}. Terminating modem ${config.modem.device}.`);
@@ -318,8 +319,6 @@ function init() {
     });
     port.pipe(parserReadLine);
 
-    registerModem(modemInfo);
-
     setInterval(() => {
         if ((new Date() - lastTs) > MAX_LAST_DATA_AGE_MS) {
             logger.warn(`No data for more than ${MAX_LAST_DATA_AGE_MS} ms. Modem might be unresponsive. Terminating modem ${config.modem.device}.`);