diff --git a/src/client/app/desktop/views/components/post-form.vue b/src/client/app/desktop/views/components/post-form.vue
index 8db85aeaca..7bf76e4829 100644
--- a/src/client/app/desktop/views/components/post-form.vue
+++ b/src/client/app/desktop/views/components/post-form.vue
@@ -178,6 +178,18 @@ export default Vue.extend({
 			});
 		}
 
+		// 公開以外へのリプライ時は元の公開範囲を引き継ぐ
+		if (this.reply && ['home', 'followers', 'specified', 'private'].includes(this.reply.visibility)) {
+			this.visibility = this.reply.visibility;
+		}
+
+		// ダイレクトへのリプライはリプライ先ユーザーを初期設定
+		if (this.reply && this.reply.visibility === 'specified') {
+			(this as any).api('users/show', {	userId: this.reply.userId }).then(user => {
+				this.visibleUsers.push(user);
+			});
+		}
+
 		this.$nextTick(() => {
 			// 書きかけの投稿を復元
 			if (!this.instant) {
diff --git a/src/client/app/mobile/views/components/post-form.vue b/src/client/app/mobile/views/components/post-form.vue
index 1294273a2a..72ec142572 100644
--- a/src/client/app/mobile/views/components/post-form.vue
+++ b/src/client/app/mobile/views/components/post-form.vue
@@ -173,6 +173,18 @@ export default Vue.extend({
 			});
 		}
 
+		// 公開以外へのリプライ時は元の公開範囲を引き継ぐ
+		if (this.reply && ['home', 'followers', 'specified', 'private'].includes(this.reply.visibility)) {
+			this.visibility = this.reply.visibility;
+		}
+
+		// ダイレクトへのリプライはリプライ先ユーザーを初期設定
+		if (this.reply && this.reply.visibility === 'specified') {
+			(this as any).api('users/show', {	userId: this.reply.userId }).then(user => {
+				this.visibleUsers.push(user);
+			});
+		}
+
 		this.focus();
 
 		this.$nextTick(() => {