diff --git a/src/screens/Settings/components/ExportCarDialog.tsx b/src/screens/Settings/components/ExportCarDialog.tsx
index 2de3895d31..685707259d 100644
--- a/src/screens/Settings/components/ExportCarDialog.tsx
+++ b/src/screens/Settings/components/ExportCarDialog.tsx
@@ -36,7 +36,7 @@ export function ExportCarDialog({
       const saveRes = await saveBytesToDisk(
         'repo.car',
         downloadRes.data,
-        downloadRes.headers['content-type'],
+        downloadRes.headers['content-type'] || 'application/vnd.ipld.car',
       )
 
       if (saveRes) {