diff --git a/src/locales/ja/trainer-titles.json b/src/locales/ja/trainer-titles.json
index b3829c701e5..31a9e576895 100644
--- a/src/locales/ja/trainer-titles.json
+++ b/src/locales/ja/trainer-titles.json
@@ -34,5 +34,7 @@
   "flare_admin_female": "フレア団幹部",
   "aether_admin": "エーテル支部長",
   "skull_admin": "スカル団幹部",
-  "macro_admin": "マクロコスモス"
+  "macro_admin": "マクロコスモス",
+
+  "the_winstrates": "The Winstrates'"
 }