diff --git a/frontend/src/lib/assetUrl.ts b/frontend/src/lib/assetUrl.ts
index 0d56603..9b1821b 100644
--- a/frontend/src/lib/assetUrl.ts
+++ b/frontend/src/lib/assetUrl.ts
@@ -81,8 +81,9 @@ const BATCH_DELAY_MS = 10; // Small delay to batch concurrent requests
 const fetchPresignedUrlsBatch = async (
   urls: string[],
 ): Promise<Record<string, string>> => {
+  // Use relative path since axios.defaults.baseURL is already set
   const response = await axios.post<{ presignedUrls: Record<string, string> }>(
-    `${baseURLApi}/file/presign`,
+    '/file/presign',
     { urls },
   );