diff --git a/lib/client.js b/lib/client.js
index 6f17230..70309ec 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -25,11 +25,11 @@ function login() {
 		}
 
 		if (retPduObj.cmdStatus === 'ESME_ROK') {
-			log.info('larvitsmpp: lib/client.js: login() - Successful login!');
+			log.info('larvitsmpp: lib/client.js: login() - Successful login system_id: "' + loginPdu.params.system_id + '"');
 			that.loggedIn = true;
 			that.emit('loggedIn');
 		} else {
-			log.info('larvitsmpp: lib/client.js: login() - Login failed. Status msg: ' + retPduObj.cmdStatus);
+			log.info('larvitsmpp: lib/client.js: login() - Login failed system_id: "' + loginPdu.params.system_id + '". Status msg: ' + retPduObj.cmdStatus);
 			that.emit('loginFailed');
 		}
 	});