diff --git a/browser/main/Detail/FullscreenButton.js b/browser/main/Detail/FullscreenButton.js
index 3a86a751..bd76447c 100644
--- a/browser/main/Detail/FullscreenButton.js
+++ b/browser/main/Detail/FullscreenButton.js
@@ -5,15 +5,17 @@ import styles from './FullscreenButton.styl'
 import i18n from 'browser/lib/i18n'
 
 const OSX = global.process.platform === 'darwin'
-const hotkey = (OSX ? i18n.__('Command(⌘)') : i18n.__('Ctrl(^)')) + '+B'
 const FullscreenButton = ({
  onClick
-}) => (
-  <button styleName='control-fullScreenButton' title={i18n.__('Fullscreen')} onMouseDown={(e) => onClick(e)}>
-    <img styleName='iconInfo' src='../resources/icon/icon-full.svg' />
-    <span lang={i18n.locale} styleName='tooltip'>{i18n.__('Fullscreen')}({hotkey})</span>
-  </button>
-)
+}) => {
+  const hotkey = (OSX ? i18n.__('Command(⌘)') : i18n.__('Ctrl(^)')) + '+B'
+  return (
+    <button styleName='control-fullScreenButton' title={i18n.__('Fullscreen')} onMouseDown={(e) => onClick(e)}>
+      <img styleName='iconInfo' src='../resources/icon/icon-full.svg' />
+      <span lang={i18n.locale} styleName='tooltip'>{i18n.__('Fullscreen')}({hotkey})</span>
+    </button>
+  )
+}
 
 FullscreenButton.propTypes = {
   onClick: PropTypes.func.isRequired