diff --git a/src/core/components/files-regular/index.js b/src/core/components/files-regular/index.js
index 8cfeb80ffa..8823d69995 100644
--- a/src/core/components/files-regular/index.js
+++ b/src/core/components/files-regular/index.js
@@ -1,3 +1,5 @@
+'use strict'
+
 module.exports = self => ({
   add: require('./add')(self),
   addPullStream: require('./add-pull-stream')(self),
diff --git a/src/core/components/files-regular/utils.js b/src/core/components/files-regular/utils.js
index 732b555f0d..8b1241ae76 100644
--- a/src/core/components/files-regular/utils.js
+++ b/src/core/components/files-regular/utils.js
@@ -1,3 +1,5 @@
+'use strict'
+
 const CID = require('cids')
 
 exports.normalizePath = (path) => {