diff --git a/packages/frontend-misskey-world-engine/src/PlayerContainer.ts b/packages/frontend-misskey-world-engine/src/PlayerContainer.ts
index e3cfb43350..ca1ee16beb 100644
--- a/packages/frontend-misskey-world-engine/src/PlayerContainer.ts
+++ b/packages/frontend-misskey-world-engine/src/PlayerContainer.ts
@@ -70,6 +70,7 @@ export class PlayerContainer {
 				mat.emissiveTexture = avatarTex;
 				mat.roughness = 0;
 				mat.metallic = 0;
+				mat.backFaceCulling = false;
 				mesh.material = mat;
 			}
 		}
diff --git a/packages/frontend-misskey-world-engine/src/room/engine.ts b/packages/frontend-misskey-world-engine/src/room/engine.ts
index c910049fdf..9de0ee912f 100644
--- a/packages/frontend-misskey-world-engine/src/room/engine.ts
+++ b/packages/frontend-misskey-world-engine/src/room/engine.ts
@@ -503,8 +503,8 @@ export class RoomEngine extends EngineBase<{
 
 		this.timer.setInterval(() => {
 			const camera = this.scene.activeCamera!;
-			const myPos = camera.position;
-			const myRotation = camera.rotation;
+			const myPos = camera.globalPosition;
+			const myRotation = camera.absoluteRotation.toEulerAngles();
 			this.ev('changeMyPlayerState', {
 				position: [myPos.x, myPos.y, myPos.z],
 				rotation: [myRotation.x, myRotation.y, myRotation.z],
diff --git a/packages/frontend/src/world/room/multiplayer.ts b/packages/frontend/src/world/room/multiplayer.ts
index 4bf67251dc..a02a98bbd9 100644
--- a/packages/frontend/src/world/room/multiplayer.ts
+++ b/packages/frontend/src/world/room/multiplayer.ts
@@ -71,7 +71,6 @@ export class Multiplayer {
 	}
 
 	private onSync(states: Record<string, PlayerState>) {
-		console.log('sync', states);
 		this.controller.updatePlayerStates(states);
 	}