diff --git a/browser/main/Detail/StarButton.js b/browser/main/Detail/StarButton.js
index d74809cd..8000970d 100644
--- a/browser/main/Detail/StarButton.js
+++ b/browser/main/Detail/StarButton.js
@@ -54,7 +54,7 @@ class StarButton extends React.Component {
             : '../resources/icon/icon-star.svg'
           }
         />
-        <span styleName='tooltip'>{i18n.__('Star')}</span>
+        <span lang={i18n.locale} styleName='tooltip'>{i18n.__('Star')}</span>
       </button>
     )
   }
diff --git a/browser/main/Detail/StarButton.styl b/browser/main/Detail/StarButton.styl
index d5fd755b..e9c523e9 100644
--- a/browser/main/Detail/StarButton.styl
+++ b/browser/main/Detail/StarButton.styl
@@ -21,6 +21,11 @@
   opacity 0
   transition 0.1s
 
+.tooltip:lang(ja)
+  @extend .tooltip
+  right 103px
+  width 70px
+
 .root--active
   @extend .root
   transition 0.15s