diff --git a/src/components/Poster/index.tsx b/src/components/Poster/index.tsx
index 2ed2cfe..4aac752 100644
--- a/src/components/Poster/index.tsx
+++ b/src/components/Poster/index.tsx
@@ -4,10 +4,10 @@ interface PosterProps {
   src: string;
   width?: number;
   height?: number;
-  rank: number | null;
+  rank?: number | null;
 }
 
-export const Poster = ({ src, width = 100, height = (4 / 3) * width, rank }: PosterProps) => {
+export const Poster = ({ src, width = 100, height = (4 / 3) * width, rank = null }: PosterProps) => {
   return (
     <S.Poster width={width} height={height}>
       <img alt="poster" src={src}></img>