diff --git a/src/types.ts b/src/types.ts
index 74a3c5b..651d608 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -509,7 +509,7 @@ export interface FileSubtitleStream {
   frameRateNumerator: number | null;
   frameRateDenominator: number | null;
   startTimecode: string | null;
-  firstCue: string | null;
+  firstCueTimecode: string | null;
   subtitleType: string | null;
   typeVersion: Formats.SubtitleTypeVersion | null;
 }