diff --git a/locales/ja.yml b/locales/ja.yml
index 08a2d6d8f2..47f3ea9901 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -834,6 +834,7 @@ desktop/views/components/timeline.vue:
 
 desktop/views/components/ui.header.vue:
   welcome-back: "おかえりなさい、"
+  adjective: "さん"
 
 desktop/views/components/ui.header.account.vue:
   profile: "プロフィール"
diff --git a/src/client/app/desktop/views/components/ui.header.vue b/src/client/app/desktop/views/components/ui.header.vue
index 1ed5c3523b..83df4b2fbc 100644
--- a/src/client/app/desktop/views/components/ui.header.vue
+++ b/src/client/app/desktop/views/components/ui.header.vue
@@ -4,7 +4,7 @@
 	<div class="main" ref="main">
 		<div class="backdrop"></div>
 		<div class="main">
-			<p ref="welcomeback" v-if="$store.getters.isSignedIn">%i18n:@welcome-back%<b>{{ $store.state.i | userName }}</b>さん</p>
+			<p ref="welcomeback" v-if="$store.getters.isSignedIn">%i18n:@welcome-back%<b>{{ $store.state.i | userName }}</b>%i18n:@adjective%</p>
 			<div class="container" ref="mainContainer">
 				<div class="left">
 					<x-nav/>