diff --git a/src/LiveComponent/assets/src/Component/index.ts b/src/LiveComponent/assets/src/Component/index.ts
index 502e343623..293e9e648d 100644
--- a/src/LiveComponent/assets/src/Component/index.ts
+++ b/src/LiveComponent/assets/src/Component/index.ts
@@ -322,7 +322,7 @@ export default class Component {
                     throw new Error('File is too large to download (10MB limit)');
                 }
 
-                const fileName = headers.get('Content-Disposition')?.split('filename=')[1];
+                const fileName = headerContentDisposition.split('filename=')[1];
                 if (!fileName) {
                     throw new Error('No filename found in Content-Disposition header');
                 }