diff --git a/lib/helpers/combineURLs.js b/lib/helpers/combineURLs.js
index bfd00e5284..0f6a2831f9 100644
--- a/lib/helpers/combineURLs.js
+++ b/lib/helpers/combineURLs.js
@@ -8,8 +8,7 @@
  * @returns {string} The combined URL
  */
 module.exports = function combineURLs(baseURL, relativeURL) {
-  var end = relativeURL.replace(/^\/+/, '');
-  return end
-    ? baseURL.replace(/\/+$/, '') + '/' + end
+  return relativeURL
+    ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+(.+)/, '$1')
     : baseURL;
 };