diff --git a/spec/23/speakers.yaml b/spec/23/speakers.yaml
index 756d98d..f2cedb6 100644
--- a/spec/23/speakers.yaml
+++ b/spec/23/speakers.yaml
@@ -928,7 +928,7 @@
     Spoluzakladatel [Museverse](https://museverse.xyz/)
   caption: |
     Spoluzakladatel Museverse, The Divergents
-  tracks: [ zaklady, btc ]
+  tracks: [ zaklady, nft ]
   web:
     url: https://museverse.xyz/
   country: cz