diff --git a/server/lib/live/live-manager.ts b/server/lib/live/live-manager.ts
index aa32a9d52..c78cf82eb 100644
--- a/server/lib/live/live-manager.ts
+++ b/server/lib/live/live-manager.ts
@@ -384,6 +384,9 @@ class LiveManager {
   }
 
   private onMuxingFFmpegEnd (videoUUID: string, sessionId: string) {
+    // Session already cleaned up
+    if (!this.videoSessions.has(videoUUID)) return
+
     this.videoSessions.delete(videoUUID)
 
     this.saveEndingSession(videoUUID, null)