diff --git a/lib/config/utils.js b/lib/config/utils.js
index dcc836380..9646f8c0e 100644
--- a/lib/config/utils.js
+++ b/lib/config/utils.js
@@ -33,7 +33,7 @@ exports.getGitCommit = function getGitCommit (repodir) {
     reference = reference.substr(5).replace('\n', '')
     reference = fs.readFileSync(path.resolve(repodir + '/.git', reference), 'utf8')
   }
-  reference = reference.substr(5).replace('\n', '')
+  reference = reference.replace('\n', '')
   return reference
 }