diff --git a/packages/frontend/src/utility/get-note-summary.ts b/packages/frontend/src/utility/get-note-summary.ts
index d91ff6853a..57be0a006c 100644
--- a/packages/frontend/src/utility/get-note-summary.ts
+++ b/packages/frontend/src/utility/get-note-summary.ts
@@ -34,6 +34,9 @@ export const getNoteSummary = (note?: Misskey.entities.Note | null): string => {
 	if (note.user.mandatoryCW) {
 		cw = appendContentWarning(cw, note.user.mandatoryCW);
 	}
+	if (note.user.instance?.mandatoryCW) {
+		cw = appendContentWarning(cw, note.user.instance.mandatoryCW);
+	}
 
 	// 本文
 	if (cw != null) {