diff --git a/src/components/comment-section.tsx b/src/components/comment-section.tsx
index ca0a658..9f30b48 100644
--- a/src/components/comment-section.tsx
+++ b/src/components/comment-section.tsx
@@ -86,11 +86,7 @@ export function CommentSection({ productId, mockComments }: Props) {
 
       <div className="mt-4 space-y-4">
         {comments.map((comment) => {
-          const author = comment.author as unknown as {
-            display_name: string;
-            handle: string | null;
-            avatar_url: string | null;
-          };
+          const author = comment.author;
           return (
             <div key={comment.id} className="rounded-xl border border-border bg-card-bg p-4">
               <div className="flex items-center gap-2">
diff --git a/src/types/database.ts b/src/types/database.ts
index 461be2b..28e80fa 100644
--- a/src/types/database.ts
+++ b/src/types/database.ts
@@ -36,6 +36,7 @@ export interface Product {
 }
 
 export type ProductBuilder = Pick<Profile, "display_name" | "handle" | "avatar_url">;
+export type CommentAuthor = Pick<Profile, "display_name" | "handle" | "avatar_url">;
 
 export interface ProductWithCounts extends Product {
   vote_count: number;
@@ -57,7 +58,7 @@ export interface Comment {
   body: string;
   status: CommentStatus;
   created_at: string;
-  author?: Pick<Profile, "display_name" | "handle" | "avatar_url">;
+  author?: CommentAuthor;
 }
 
 export interface DemoDay {