diff --git a/src/client/app/common/views/components/games/reversi/reversi.game.vue b/src/client/app/common/views/components/games/reversi/reversi.game.vue
index 0c183b343e..de9c0395c7 100644
--- a/src/client/app/common/views/components/games/reversi/reversi.game.vue
+++ b/src/client/app/common/views/components/games/reversi/reversi.game.vue
@@ -1,14 +1,14 @@
 <template>
 <div class="root">
-	<header><b>{{ blackUser.name }}</b>(%i18n:common.reversi.black%) vs <b>{{ whiteUser.name }}</b>(%i18n:common.reversi.white%)</header>
+	<header><b>{{ blackUser | userName }}</b>(%i18n:common.reversi.black%) vs <b>{{ whiteUser | userName }}</b>(%i18n:common.reversi.white%)</header>
 
 	<div style="overflow: hidden">
-		<p class="turn" v-if="!iAmPlayer && !game.isEnded">{{ '%i18n:common.reversi.turn-of%'.replace('{}', turnUser.name) }}<mk-ellipsis/></p>
-		<p class="turn" v-if="logPos != logs.length">{{ '%i18n:common.reversi.past-turn-of%'.replace('{}', turnUser.name) }}</p>
+		<p class="turn" v-if="!iAmPlayer && !game.isEnded">{{ '%i18n:common.reversi.turn-of%'.replace('{}', turnUser | userName) }}<mk-ellipsis/></p>
+		<p class="turn" v-if="logPos != logs.length">{{ '%i18n:common.reversi.past-turn-of%'.replace('{}', turnUser | userName) }}</p>
 		<p class="turn1" v-if="iAmPlayer && !game.isEnded && !isMyTurn">%i18n:common.reversi.opponent-turn%<mk-ellipsis/></p>
 		<p class="turn2" v-if="iAmPlayer && !game.isEnded && isMyTurn" v-animate-css="{ classes: 'tada', iteration: 'infinite' }">%i18n:common.reversi.my-turn%</p>
 		<p class="result" v-if="game.isEnded && logPos == logs.length">
-			<template v-if="game.winner">{{ '%i18n:common.reversi.won%'.replace('{}', game.winner.name) }}{{ game.settings.isLlotheo ? ' (ロセオ)' : '' }}</template>
+			<template v-if="game.winner">{{ '%i18n:common.reversi.won%'.replace('{}', game.winner | userName) }}{{ game.settings.isLlotheo ? ' (ロセオ)' : '' }}</template>
 			<template v-else>%i18n:common.reversi.drawn%</template>
 		</p>
 	</div>
diff --git a/src/client/app/common/views/components/games/reversi/reversi.room.vue b/src/client/app/common/views/components/games/reversi/reversi.room.vue
index 7aec4069c5..54ee624ccc 100644
--- a/src/client/app/common/views/components/games/reversi/reversi.room.vue
+++ b/src/client/app/common/views/components/games/reversi/reversi.room.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="root">
-	<header><b>{{ game.user1.name }}</b> vs <b>{{ game.user2.name }}</b></header>
+	<header><b>{{ game.user1 | userName }}</b> vs <b>{{ game.user2 | userName }}</b></header>
 
 	<div>
 		<p>%i18n:@settings-of-the-game%</p>
diff --git a/src/client/app/common/views/components/games/reversi/reversi.vue b/src/client/app/common/views/components/games/reversi/reversi.vue
index 2ec275e818..43f1c6656a 100644
--- a/src/client/app/common/views/components/games/reversi/reversi.vue
+++ b/src/client/app/common/views/components/games/reversi/reversi.vue
@@ -4,7 +4,7 @@
 		<x-gameroom :game="game"/>
 	</div>
 	<div class="matching" v-else-if="matching">
-		<h1>{{ '%i18n:@matching.waiting-for%'.split('{}')[0] }}<b>{{ matching.name }}</b>{{ '%i18n:@matching.waiting-for%'.split('{}')[1] }}<mk-ellipsis/></h1>
+		<h1>{{ '%i18n:@matching.waiting-for%'.split('{}')[0] }}<b>{{ matching | userName }}</b>{{ '%i18n:@matching.waiting-for%'.split('{}')[1] }}<mk-ellipsis/></h1>
 		<div class="cancel">
 			<el-button round @click="cancel">%i18n:@matching.cancel%</el-button>
 		</div>
@@ -30,7 +30,7 @@
 			<h2>%i18n:@invitations%</h2>
 			<div class="invitation" v-for="i in invitations" tabindex="-1" @click="accept(i)">
 				<mk-avatar class="avatar" :user="i.parent"/>
-				<span class="name"><b>{{ i.parent.name }}</b></span>
+				<span class="name"><b>{{ i.parent | userName }}</b></span>
 				<span class="username">@{{ i.parent.username }}</span>
 				<mk-time :time="i.createdAt"/>
 			</div>
@@ -40,7 +40,7 @@
 			<a class="game" v-for="g in myGames" tabindex="-1" @click.prevent="go(g)" :href="`/reversi/${g.id}`">
 				<mk-avatar class="avatar" :user="g.user1"/>
 				<mk-avatar class="avatar" :user="g.user2"/>
-				<span><b>{{ g.user1.name }}</b> vs <b>{{ g.user2.name }}</b></span>
+				<span><b>{{ g.user1 | userName }}</b> vs <b>{{ g.user2 | userName }}</b></span>
 				<span class="state">{{ g.isEnded ? '%i18n:@game-state.ended%' : '%i18n:@game-state.playing%' }}</span>
 			</a>
 		</section>
@@ -49,7 +49,7 @@
 			<a class="game" v-for="g in games" tabindex="-1" @click.prevent="go(g)" :href="`/reversi/${g.id}`">
 				<mk-avatar class="avatar" :user="g.user1"/>
 				<mk-avatar class="avatar" :user="g.user2"/>
-				<span><b>{{ g.user1.name }}</b> vs <b>{{ g.user2.name }}</b></span>
+				<span><b>{{ g.user1 | userName }}</b> vs <b>{{ g.user2 | userName }}</b></span>
 				<span class="state">{{ g.isEnded ? '%i18n:@game-state.ended%' : '%i18n:@game-state.playing%' }}</span>
 			</a>
 		</section>
diff --git a/src/misc/get-user-name.ts b/src/misc/get-user-name.ts
index acd5e6626d..eab9f87ef0 100644
--- a/src/misc/get-user-name.ts
+++ b/src/misc/get-user-name.ts
@@ -1,5 +1,5 @@
 import { IUser } from '../models/user';
 
 export default function(user: IUser): string {
-	return user.name || '名無し';
+	return user.name || user.username;
 }