diff --git a/services/discord-gateway/src/modules/voice-recording/mediaTypes.ts b/services/discord-gateway/src/modules/voice-recording/mediaTypes.ts
index 22b63ed..2c132a7 100644
--- a/services/discord-gateway/src/modules/voice-recording/mediaTypes.ts
+++ b/services/discord-gateway/src/modules/voice-recording/mediaTypes.ts
@@ -22,6 +22,8 @@ export interface MediaQueueItem extends ResolvedMediaSource {
   requestedBy: string;
   addedAt: number;
   status: MediaQueueItemStatus;
+  /** Duration in seconds, if known. */
+  duration?: number;
 }
 
 export interface MediaState {