diff --git a/lib/certificates/check.js b/lib/certificates/check.js
index f920aa9..559a336 100644
--- a/lib/certificates/check.js
+++ b/lib/certificates/check.js
@@ -3,15 +3,19 @@ const s3 = new AWS.S3({ apiVersion: "2006-03-01" });
 const pathHelper = require("../pathHelper");
 const fileNames = require("../fileNames");
 
-module.exports.check = (opts, options) => {
-    const id = opts.certificate && opts.certificate.id || opts.subject;
-    console.log("certificates.check for", opts.subject);
-
-    let paths = [
+const setPaths = (opts, options, id) => {
+    return [
         pathHelper.certificatesPath(options, id, fileNames.privkey.pem)
         , pathHelper.certificatesPath(options, id, fileNames.cert)
         , pathHelper.certificatesPath(options, id, fileNames.chain)
     ]
+};
+
+module.exports.check = (opts, options) => {
+    const id = opts.certificate && opts.certificate.id || opts.subject;
+    console.log("certificates.check for", opts.subject);
+
+    const paths = setPaths(opts, options, id);
 
     var promises = [];