diff --git a/lib/modem-info.js b/lib/modem-info.js
index d4ea936..6ae422f 100644
--- a/lib/modem-info.js
+++ b/lib/modem-info.js
@@ -34,6 +34,8 @@ if (!config.disable_idle_check) {
             process.exit(1);
         }
     }, config.interval_beetwen_signal_strength_ms || DEFAULT_INTERVAL_BETWEEN_IDLE_CHECK_MS);
+} else {
+    logger.info('Skip idle / stuck modem background check by config.disable_idle_check');
 }
 
 module.exports = modemInfo;