diff --git a/src/locales/ja.json b/src/locales/ja.json
index a2a1948..c941612 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -37,6 +37,9 @@
       "japanese": "日本語",
       "english": "英語",
       "spanish": "スペイン語"
+      "german": "",
+      "greek": "",
+      "dutch": ""
     },
     "proxymodes": {
       "title": "開く",