diff --git a/frontend/src/pages/theatres/TheatreDetailPage.tsx b/frontend/src/pages/theatres/TheatreDetailPage.tsx
index dac7856..a12ac00 100644
--- a/frontend/src/pages/theatres/TheatreDetailPage.tsx
+++ b/frontend/src/pages/theatres/TheatreDetailPage.tsx
@@ -188,7 +188,6 @@ export default (() => {
   }, [id, loading, theatreInfo.hostFlg, theatreInfo.postId])
 
   useEffect (() => {
-    setPost (null)
     setVideoLength (0)
 
     if (theatreInfo.postId == null)