diff --git a/client/src/service/scrap/getIsScrapPost.ts b/client/src/service/scrap/getIsScrapPost.ts
index 448fb86..4ece768 100644
--- a/client/src/service/scrap/getIsScrapPost.ts
+++ b/client/src/service/scrap/getIsScrapPost.ts
@@ -9,7 +9,7 @@ export default async function getIsScrapPost({
 
   const result = await axios_get<boolean>({ suburl });
 
-  if (!result.isOkay) {
+  if (!result.isOkay || result.data === undefined) {
     throw result.error;
   }