diff --git a/index.js b/index.js
index 59947e4..acfb0f1 100644
--- a/index.js
+++ b/index.js
@@ -138,10 +138,14 @@ module.exports = Installer
 
 function readJson (jsonPath, name, ignoreMissing) {
   return readFileAsync(path.join(jsonPath, name), 'utf8')
-  .then(str => JSON.parse(str))
+  .then(str => JSON.parse(stripBOM(str)))
   .catch({code: 'ENOENT'}, err => {
     if (!ignoreMissing) {
       throw err
     }
   })
 }
+
+function stripBOM (str) {
+  return str.replace(/^\uFEFF/, '')
+}