diff --git a/ca-store-generator.js b/ca-store-generator.js
index 4cd701a..26a09ea 100644
--- a/ca-store-generator.js
+++ b/ca-store-generator.js
@@ -138,8 +138,10 @@ function dumpCerts(certs) {
       + "module.exports.addFile = function (filepath) {\n"
       + "  var opts = require('https').globalAgent.options;\n"
       + "  var root = filepath[0] === '/' ? '/' : '';\n"
+      + "  var filepaths = filepath.split(/\\//g);\n"
+      + "  if (root) { filepaths.unshift(root); }\n"
       + "  opts.ca = opts.ca || [];\n"
-      + "  opts.ca.push(require('fs').readFileSync(require('path').join.apply(null, (root + filepath).split(/\\//g))));\n"
+      + "  opts.ca.push(require('fs').readFileSync(require('path').join.apply(null, filepaths)));\n"
       + "  return module.exports;\n"
       + "};\n"
   );
diff --git a/package.json b/package.json
index a0381f0..04986d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ssl-root-cas",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "The module you need to solve node's SSL woes when including a custom certificate.",
   "main": "ssl-root-cas",
   "scripts": {
diff --git a/ssl-root-cas.js b/ssl-root-cas.js
index c636881..8248a72 100644
--- a/ssl-root-cas.js
+++ b/ssl-root-cas.js
@@ -4104,7 +4104,9 @@ module.exports.inject = function () {
 module.exports.addFile = function (filepath) {
   var opts = require('https').globalAgent.options;
   var root = filepath[0] === '/' ? '/' : '';
+  var filepaths = filepath.split(/\//g);
+  if (root) { filepaths.unshift(root); }
   opts.ca = opts.ca || [];
-  opts.ca.push(require('fs').readFileSync(require('path').join.apply(null, (root + filepath).split(/\//g))));
+  opts.ca.push(require('fs').readFileSync(require('path').join.apply(null, filepaths)));
   return module.exports;
 };