diff --git a/lightning.js b/lightning.js
index 2f30a64..31fb7b3 100644
--- a/lightning.js
+++ b/lightning.js
@@ -10,6 +10,7 @@ if (process.env.TLSCERT) {
 } else {
   lndCert = fs.readFileSync('tls.cert');
 }
+console.log('using tls.cert', lndCert.toString('hex'));
 let sslCreds = grpc.credentials.createSsl(lndCert);
 let macaroon;
 if (process.env.MACAROON) {