diff --git a/packages/core/src/utils/fetch.ts b/packages/core/src/utils/fetch.ts
index bcc7c98f..0f0a33a0 100644
--- a/packages/core/src/utils/fetch.ts
+++ b/packages/core/src/utils/fetch.ts
@@ -114,7 +114,7 @@ export const fetchFencePresignedURL = async ({
       throw new HTTPError(response.status, errorMessage, errorData);
     }
 
-    return await response.json();
+    return (await response.json())['url'];
   } catch (error: unknown) {
     if (error instanceof Error) {
       if (error.name === 'AbortError') {