diff --git a/src/i18n/strings/ja.json b/src/i18n/strings/ja.json
index f7314c77..533cf4e3 100644
--- a/src/i18n/strings/ja.json
+++ b/src/i18n/strings/ja.json
@@ -1,5 +1,5 @@
 {
-    "Welcome to Riot.im": "Riot.imへようこそ",
+    "Welcome to Riot.im": "Riot.im へようこそ",
     "Unknown device": "不明な端末",
     "%(appName)s via %(browserName)s on %(osName)s": "%(appName)sは%(osName)sの%(browserName)s上で動作しています",
     "Custom Server Options": "カスタムサーバのオプション",