diff --git a/packages/frontend/src/pages/rooms/room.core.vue b/packages/frontend/src/pages/rooms/room.core.vue
index fd59c07435..6695463b06 100644
--- a/packages/frontend/src/pages/rooms/room.core.vue
+++ b/packages/frontend/src/pages/rooms/room.core.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div :class="[$style.screen, { [$style.zen]: false }]">
-	<canvas ref="canvas" :class="$style.canvas" tabindex="-1"></canvas>
+	<canvas ref="canvas" :key="canvasKey" :class="$style.canvas" tabindex="-1"></canvas>
 
 	<Transition
 		:enterActiveClass="$style.transition_fade_enterActive"
@@ -109,6 +109,7 @@ const props = defineProps<{
 	room: Misskey.entities.WorldRoomDetailed;
 }>();
 
+const canvasKey = ref(0); // 一度ワーカーに渡したcanvasは再利用できないため作り直すためのkey
 const canvas = useTemplateRef('canvas');
 
 const interacions = shallowRef<{
@@ -433,12 +434,16 @@ async function revert() {
 	});
 	if (canceled) return;
 
-	await controller.reset(latestData);
+	canvasKey.value++;
+	await nextTick();
+	await controller.reset(canvas.value!, attachments, latestData);
 	isModified.value = false;
 }
 
 async function refresh() {
-	await controller.reset(null, roomControllerOptions.value);
+	canvasKey.value++;
+	await nextTick();
+	await controller.reset(canvas.value!, attachments, null, roomControllerOptions.value);
 }
 
 // TODO: ちゃんと書く
diff --git a/packages/frontend/src/world/engineControllerBase.ts b/packages/frontend/src/world/engineControllerBase.ts
index 6d47c152b8..4fc99a409c 100644
--- a/packages/frontend/src/world/engineControllerBase.ts
+++ b/packages/frontend/src/world/engineControllerBase.ts
@@ -262,19 +262,11 @@ export abstract class EngineControllerBase<T extends RoomEngineBase> {
 		};
 	}
 
-	public async reset(roomState?: RoomState | null, options?: RoomControllerOptions | null, canvas?: HTMLCanvasElement | null) {
+	protected async _reset_() {
 		this.destroy();
 		this.abortController = new AbortController();
-		if (roomState != null) this.roomState.value = roomState;
-		if (options != null) this.options = options;
 		this.isReady.value = false;
-		this.isSitting.value = false;
-		this.isEditMode.value = false;
-		this.isRoomLightOn.value = true;
-		this.grabbing.value = null;
-		this.selected.value = null;
 		this.initializeProgress.value = 0;
-		await this.init(canvas ?? this.canvas!);
 	}
 
 	private callCounter = 0;
diff --git a/packages/frontend/src/world/room/controller.ts b/packages/frontend/src/world/room/controller.ts
index 7856371211..1e771a53aa 100644
--- a/packages/frontend/src/world/room/controller.ts
+++ b/packages/frontend/src/world/room/controller.ts
@@ -101,19 +101,16 @@ export class RoomController extends EngineControllerBase<RoomEngine> {
 		});
 	}
 
-	public async reset(roomState?: RoomState | null, options?: RoomControllerOptions | null, canvas?: HTMLCanvasElement | null) {
-		this.destroy();
-		this.abortController = new AbortController();
+	public async reset(canvas: HTMLCanvasElement, attachments: RoomAttachments, roomState?: RoomState | null, options?: RoomControllerOptions | null) {
+		this._reset_();
 		if (roomState != null) this.roomState.value = roomState;
 		if (options != null) this.options = options;
-		this.isReady.value = false;
 		this.isSitting.value = false;
 		this.isEditMode.value = false;
 		this.isRoomLightOn.value = true;
 		this.grabbing.value = null;
 		this.selected.value = null;
-		this.initializeProgress.value = 0;
-		await this.init(canvas ?? this.canvas!);
+		await this.init(canvas, attachments);
 	}
 
 	public setCameraMoveVector(vec: { x: number; y: number }, dash: boolean) {