diff --git a/packages/web/components/ProfileViewer.tsx b/packages/web/components/ProfileViewer.tsx
index 9503d90..633d4eb 100644
--- a/packages/web/components/ProfileViewer.tsx
+++ b/packages/web/components/ProfileViewer.tsx
@@ -93,7 +93,7 @@ export function ProfileViewer() {
     console.log("fetchAndDisplayFile called:", path, name);
     setIsLoadingFile(true);
     try {
-      const url = `${API_BASE}${path}`;
+      const url = `${API_BASE}${path}?as_csv=true`;
       console.log("Fetching:", url);
       const res = await fetch(url);
       console.log("Response status:", res.status);