diff --git a/modem-tester.js b/modem-tester.js
index a303aff..b322241 100644
--- a/modem-tester.js
+++ b/modem-tester.js
@@ -50,7 +50,7 @@ port = new SerialPort(config.modem.device, { baudRate: 115200 }, async (err) =>
 
     const commands = [
         'AT&F\r',
-        'ATE0\r',
+        'ATE1\r',
         'AT+CGSN\r',
         'AT+CIMI\r',
         'AT+COPS?\r',