diff --git a/packages/frontend/src/pages/chat/room.vue b/packages/frontend/src/pages/chat/room.vue
index 4cb5d0677a..ec92a1dce1 100644
--- a/packages/frontend/src/pages/chat/room.vue
+++ b/packages/frontend/src/pages/chat/room.vue
@@ -42,7 +42,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</TransitionGroup>
 		</div>
 
-		<div v-if="user && !user.canChat">
+		<div v-if="user && (!user.canChat || user.host !== null)">
 			<MkInfo warn>{{ i18n.ts._chat.chatNotAvailableInOtherAccount }}</MkInfo>
 		</div>
 
diff --git a/packages/frontend/src/utility/get-user-menu.ts b/packages/frontend/src/utility/get-user-menu.ts
index 108b07cc17..10429c8ff1 100644
--- a/packages/frontend/src/utility/get-user-menu.ts
+++ b/packages/frontend/src/utility/get-user-menu.ts
@@ -364,7 +364,7 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
 			},
 		});
 
-		if ($i.policies.canChat && user.canChat) {
+		if ($i.policies.canChat && user.canChat && user.host == null) {
 			menuItems.push({
 				type: 'link',
 				icon: 'ti ti-messages',