diff --git a/src/core/media/IMediaStorage.ts b/src/core/media/IMediaStorage.ts
index e03a4739..ad284eb6 100644
--- a/src/core/media/IMediaStorage.ts
+++ b/src/core/media/IMediaStorage.ts
@@ -10,6 +10,7 @@ interface Message {
 
 interface File {
   extension: string;
+  filename?: string;
 }
 
 export interface MediaData {