diff --git a/next/web/src/App/Admin/Settings/QuickReplies/index.tsx b/next/web/src/App/Admin/Settings/QuickReplies/index.tsx
index 82c43363e..a724cd1b4 100644
--- a/next/web/src/App/Admin/Settings/QuickReplies/index.tsx
+++ b/next/web/src/App/Admin/Settings/QuickReplies/index.tsx
@@ -187,7 +187,7 @@ export function QuickReplyDetail() {
       id: id!,
       name: data.name,
       content: data.content,
-      userId: data.visibility === 'private' ? currentUser?.id : undefined,
+      userId: data.visibility === 'private' ? currentUser?.id : null,
       fileIds: data.fileIds,
       tags: data.tags,
     });
diff --git a/next/web/src/api/quick-reply.ts b/next/web/src/api/quick-reply.ts
index bc4431e35..6a683476f 100644
--- a/next/web/src/api/quick-reply.ts
+++ b/next/web/src/api/quick-reply.ts
@@ -7,7 +7,7 @@ export interface QuickReplySchema {
   id: string;
   name: string;
   content: string;
-  userId?: string;
+  userId?: string | null;
   fileIds?: string[];
   tags?: string[];
 }