diff --git a/locales/de-DE.yml b/locales/de-DE.yml
index 6602823d87..ccdaba1e8d 100644
--- a/locales/de-DE.yml
+++ b/locales/de-DE.yml
@@ -670,10 +670,12 @@ desktop/views/components/note-detail.vue:
   location: "Ort"
   renote: "Anmerkung"
   add-reaction: "Reaktion hinzufügen"
+  undo-reaction: "リアクション解除"
 desktop/views/components/note.vue:
   reply: "返信"
   renote: "Renote"
   add-reaction: "リアクション"
+  undo-reaction: "リアクション解除"
   detail: "詳細"
   private: "この投稿は非公開です"
   deleted: "この投稿は削除されました"