diff --git a/content/blog/2015/12/2015-12-25-the-matrix-holiday-special.md b/content/blog/2015/12/2015-12-25-the-matrix-holiday-special.md
index 34d61822a..d47ea7bd4 100644
--- a/content/blog/2015/12/2015-12-25-the-matrix-holiday-special.md
+++ b/content/blog/2015/12/2015-12-25-the-matrix-holiday-special.md
@@ -38,11 +38,9 @@ Meanwhile, huge kudos to Tor who was crazy enough to Lean DUS - a great tech meetup in Düsseldorf organised by Sipgate, who were kind enough to invite us to speak. This was a chance to give a full update on Matrix (as of July!) and talk some more about Olm and plans for end-to-end encryption. This one got recorded - and you can see it below. There's also an official page with full videos, slide deck and photos up at https://www.leandus.de/2015/08/weil-und-hodgson/.
+A few days after Jardin Entropique we made it to Lean DUS - a great tech meetup in Düsseldorf organised by Sipgate, who were kind enough to invite us to speak. This was a chance to give a full update on Matrix (as of July!) and talk some more about Olm and plans for end-to-end encryption. This one got recorded - and you can see it below. There's also an official page with full videos, slide deck and photos up at https://hello.sipgate.de/veranstaltung/lean-dus-9-java-matrix.
-
-
-Lean Dus #9 - End to end encryption for decentralised communication mit Matthew Hodgson from sipgate on Vimeo.
+{{ youtube_player(video_id="VVM3pcrkn5s") }}
## New Matrix Bridges