diff --git a/src/lib/types/LiveTranscriptionEvent.ts b/src/lib/types/LiveTranscriptionEvent.ts
index 48a6c6a..9938f9a 100644
--- a/src/lib/types/LiveTranscriptionEvent.ts
+++ b/src/lib/types/LiveTranscriptionEvent.ts
@@ -30,5 +30,5 @@ export interface LiveTranscriptionEvent {
     };
     model_uuid: string;
   };
-  from_finalize: boolean;
+  from_finalize?: boolean;
 }