diff --git a/_media/2023-11-03-ein-algorithmus-fur-alle-drehpuzzles.md b/_media/2023-11-03-ein-algorithmus-fur-alle-drehpuzzles.md
index 13c5993163c6a91e37947e96ad157bbb86e578bf..519c9af51d4e49527d0c59be3d0cf5cc99b204c6 100644
--- a/_media/2023-11-03-ein-algorithmus-fur-alle-drehpuzzles.md
+++ b/_media/2023-11-03-ein-algorithmus-fur-alle-drehpuzzles.md
@@ -11,6 +11,7 @@ persons:
 fahrplan_url: https://2023.nook-luebeck.de/talks/ein-algorithmus-fuer-alle-drehpuzzles/
 #https://www.uuidgenerator.net/
 uid: 311b8bce-2df7-459d-9570-219c875f99e6
+file: "https://video.chaotikum.net/nook23/2023-11-03-ein-algorithmus-fur-alle-drehpuzzles.mov"
 ticket_id: 1472
 event: a047c701-1ec4-48a3-9d8e-5aaa94fd7158
 conferences: