diff --git a/hosts/default/home/default.nix b/hosts/default/home/default.nix
index 750bc8d..4d495cb 100644
--- a/hosts/default/home/default.nix
+++ b/hosts/default/home/default.nix
@@ -61,7 +61,7 @@
       signal-desktop-bin
       rusty-man
       (pkgs.writeShellScriptBin "lecture" ''
-        mpv --speed=1.5 --start=00:00:14 --cache-pause-wait=14 --script-opts='skipsilence-enabled=yes,skipsilence-threshold_db=-18' $(wl-paste)
+        mpv --speed=1.5 --start=00:00:14 --cache-pause-wait=14 --script-opts='skipsilence-enabled=yes,skipsilence-threshold_db=-18' --vf=sub,lavfi="negate"  $(wl-paste)
       '')
     ];
   };