diff --git a/packages/backend/src/server/api/stream/channels/global-timeline.ts b/packages/backend/src/server/api/stream/channels/global-timeline.ts
index 4f64ce6866..795980821b 100644
--- a/packages/backend/src/server/api/stream/channels/global-timeline.ts
+++ b/packages/backend/src/server/api/stream/channels/global-timeline.ts
@@ -51,6 +51,8 @@ class GlobalTimelineChannel extends Channel {
 		if (note.visibility !== 'public') return;
 		if (note.channelId != null) return;
 		if (note.user.requireSigninToViewContents && this.user == null) return;
+		if (note.renote && note.renote.user.requireSigninToViewContents && this.user == null) return;
+		if (note.reply && note.reply.user.requireSigninToViewContents && this.user == null) return;
 
 		if (isRenotePacked(note) && !isQuotePacked(note) && !this.withRenotes) return;
 
diff --git a/packages/backend/src/server/api/stream/channels/local-timeline.ts b/packages/backend/src/server/api/stream/channels/local-timeline.ts
index c3cf78a24a..2984e18774 100644
--- a/packages/backend/src/server/api/stream/channels/local-timeline.ts
+++ b/packages/backend/src/server/api/stream/channels/local-timeline.ts
@@ -54,6 +54,8 @@ class LocalTimelineChannel extends Channel {
 		if (note.visibility !== 'public') return;
 		if (note.channelId != null) return;
 		if (note.user.requireSigninToViewContents && this.user == null) return;
+		if (note.renote && note.renote.user.requireSigninToViewContents && this.user == null) return;
+		if (note.reply && note.reply.user.requireSigninToViewContents && this.user == null) return;
 
 		// 関係ない返信は除外
 		if (note.reply && this.user && !this.following[note.userId]?.withReplies && !this.withReplies) {