diff --git a/src/rc.js b/src/rc.js
index b4524ce67a..2c4a475fad 100644
--- a/src/rc.js
+++ b/src/rc.js
@@ -1,9 +1,9 @@
 /* @flow */
 
-import rc from 'rc';
-
 import parse from './lockfile/parse.js';
 
+const rc = require('rc');
+
 // Keys that will get resolved relative to the path of the rc file they belong to
 const PATH_KEYS = [
   'cache-folder',
@@ -50,7 +50,7 @@ const buildRcArgs = () => Object.keys(getRcConf()).reduce((argLists, key) => {
     return argLists;
   }
 
-  const namespace = miniparse[1] || `*`;
+  const namespace = miniparse[1] || '*';
   const arg = miniparse[2];
   const value = getRcConf()[key];