diff --git a/src/cert/acme.js b/src/cert/acme.js
index 3427646d4..089a05ff6 100644
--- a/src/cert/acme.js
+++ b/src/cert/acme.js
@@ -311,7 +311,7 @@ function downloadCertificate(accountKeyPem, domain, outdir, callback) {
         var certificatePem = execSync('openssl x509 -inform DER -outform PEM', { input: certificateDer }); // this is really just base64 encoding with header
         if (!certificatePem) return callback(new AcmeError(AcmeError.INTERNAL_ERROR, safe.error));
 
-        var chainPem = safe.fs.readFileSync(__dirname + '/cert/lets-encrypt-x1-cross-signed.pem.txt');
+        var chainPem = safe.fs.readFileSync(__dirname + '/lets-encrypt-x1-cross-signed.pem.txt');
         if (!chainPem) return callback(new AcmeError(AcmeError.INTERNAL_ERROR, safe.error));
 
         var certificateFile = path.join(outdir, domain + '.cert');