diff --git a/about_preload.js b/about_preload.js
index c39456347..828f4a77a 100644
--- a/about_preload.js
+++ b/about_preload.js
@@ -8,6 +8,9 @@ const config = url.parse(window.location.toString(), true).query;
 const { locale } = config;
 const localeMessages = ipcRenderer.sendSync('locale-data');
 
+global.dcodeIO = global.dcodeIO || {};
+global.dcodeIO.ByteBuffer = require('bytebuffer');
+
 window.getEnvironment = () => config.environment;
 window.getVersion = () => config.version;
 window.getCommitHash = () => config.commitHash;
diff --git a/debug_log_preload.js b/debug_log_preload.js
index 407f6f963..8121af5d6 100644
--- a/debug_log_preload.js
+++ b/debug_log_preload.js
@@ -8,6 +8,9 @@ const config = url.parse(window.location.toString(), true).query;
 const { locale } = config;
 const localeMessages = ipcRenderer.sendSync('locale-data');
 
+global.dcodeIO = global.dcodeIO || {};
+global.dcodeIO.ByteBuffer = require('bytebuffer');
+
 window.getVersion = () => config.version;
 window.theme = config.theme;
 window.i18n = i18n.setup(locale, localeMessages);
diff --git a/password_preload.js b/password_preload.js
index a90393ecb..e0cc712ef 100644
--- a/password_preload.js
+++ b/password_preload.js
@@ -8,6 +8,9 @@ const config = url.parse(window.location.toString(), true).query;
 const { locale } = config;
 const localeMessages = ipcRenderer.sendSync('locale-data');
 
+global.dcodeIO = global.dcodeIO || {};
+global.dcodeIO.ByteBuffer = require('bytebuffer');
+
 window.React = require('react');
 window.ReactDOM = require('react-dom');
 
diff --git a/permissions_popup_preload.js b/permissions_popup_preload.js
index 621a5fc7c..c591700bf 100644
--- a/permissions_popup_preload.js
+++ b/permissions_popup_preload.js
@@ -8,6 +8,9 @@ const config = url.parse(window.location.toString(), true).query;
 const { locale } = config;
 const localeMessages = ipcRenderer.sendSync('locale-data');
 
+global.dcodeIO = global.dcodeIO || {};
+global.dcodeIO.ByteBuffer = require('bytebuffer');
+
 window.getVersion = () => config.version;
 window.theme = config.theme;
 window.i18n = i18n.setup(locale, localeMessages);