diff --git a/lib/config/index.js b/lib/config/index.js
index 6ed652a..eb59db0 100644
--- a/lib/config/index.js
+++ b/lib/config/index.js
@@ -95,14 +95,9 @@ config.isLDAPEnable = config.ldap.url
 config.isPDFExportEnable = config.allowpdfexport
 
 // generate correct path
-config.sslcapath = (function () {
-  var i, len, results
-  results = []
-  for (i = 0, len = config.sslcapath.length; i < len; i++) {
-    results.push(path.resolve(appRootPath, config.sslcapath[i]))
-  }
-  return results
-})()
+config.sslcapath.forEach(function (capath, i, array) {
+    array[i] = path.resolve(appRootPath, capath)
+})
 
 config.sslcertpath = path.join(appRootPath, config.sslcertpath)
 config.sslkeypath = path.join(appRootPath, config.sslkeypath)