diff --git a/src/api/stream/othello-game.ts b/src/api/stream/othello-game.ts
index 1dcd37efa1..2af1bd97a0 100644
--- a/src/api/stream/othello-game.ts
+++ b/src/api/stream/othello-game.ts
@@ -96,6 +96,7 @@ export default function(request: websocket.request, connection: websocket.connec
 			setTimeout(async () => {
 				const freshGame = await Game.findOne({ _id: gameId });
 				if (freshGame == null || freshGame.is_started || freshGame.is_ended) return;
+				if (!freshGame.user1_accepted || !freshGame.user2_accepted) return;
 
 				let bw: number;
 				if (freshGame.settings.bw == 'random') {
diff --git a/src/web/app/common/views/components/othello.game.vue b/src/web/app/common/views/components/othello.game.vue
index 2ef6b645ce..f0254a0b71 100644
--- a/src/web/app/common/views/components/othello.game.vue
+++ b/src/web/app/common/views/components/othello.game.vue
@@ -12,7 +12,7 @@
 
 	<div class="board" :style="{ 'grid-template-rows': `repeat(${ game.settings.map.size }, 1fr)`, 'grid-template-columns': `repeat(${ game.settings.map.size }, 1fr)` }">
 		<div v-for="(stone, i) in o.board"
-			:class="{ empty: stone == null, none: o.map.data[i] == ' ', myTurn: isMyTurn, can: turnUser ? o.canPut(turnUser.id == blackUser.id ? 'black' : 'white', i) : null, prev: o.prevPos == i }"
+			:class="{ empty: stone == null, none: o.map.data[i] == ' ', myTurn: !game.is_ended && isMyTurn, can: turnUser ? o.canPut(turnUser.id == blackUser.id ? 'black' : 'white', i) : null, prev: o.prevPos == i }"
 			@click="set(i)"
 		>
 			<img v-if="stone == 'black'" :src="`${blackUser.avatar_url}?thumbnail&size=128`" alt="">
@@ -129,6 +129,8 @@ export default Vue.extend({
 
 	methods: {
 		set(pos) {
+			if (this.game.is_ended) return;
+			if (!this.iAmPlayer) return;
 			if (!this.isMyTurn) return;
 			if (!this.o.canPut(this.myColor, pos)) return;
 
diff --git a/src/web/app/common/views/components/othello.room.vue b/src/web/app/common/views/components/othello.room.vue
index b41d97ec61..445a0b45d6 100644
--- a/src/web/app/common/views/components/othello.room.vue
+++ b/src/web/app/common/views/components/othello.room.vue
@@ -21,6 +21,13 @@
 		<mk-switch v-model="game.settings.is_llotheo" @change="onIsLlotheoChange" text="石の少ない方が勝ち(ロセオ)"/>
 	</div>
 
+	<p class="status">
+		<template v-if="isAccepted && isOpAccepted">ゲームは数秒後に開始されます<mk-ellipsis/></template>
+		<template v-if="isAccepted && !isOpAccepted">相手の準備が完了するのを待っています<mk-ellipsis/></template>
+		<template v-if="!isAccepted && isOpAccepted">あなたの準備が完了するのを待っています</template>
+		<template v-if="!isAccepted && !isOpAccepted">準備中<mk-ellipsis/></template>
+	</p>
+
 	<div class="actions">
 		<el-button @click="exit">キャンセル</el-button>
 		<el-button type="primary" @click="accept" v-if="!isAccepted">準備完了</el-button>
@@ -50,6 +57,11 @@ export default Vue.extend({
 			if (this.game.user1_id == (this as any).os.i.id && this.game.user1_accepted) return true;
 			if (this.game.user2_id == (this as any).os.i.id && this.game.user2_accepted) return true;
 			return false;
+		},
+		isOpAccepted(): boolean {
+			if (this.game.user1_id != (this as any).os.i.id && this.game.user1_accepted) return true;
+			if (this.game.user2_id != (this as any).os.i.id && this.game.user2_accepted) return true;
+			return false;
 		}
 	},