diff --git a/users/pbsds/home/default.nix b/users/pbsds/home/default.nix
index 032d852..89336d5 100644
--- a/users/pbsds/home/default.nix
+++ b/users/pbsds/home/default.nix
@@ -244,8 +244,8 @@
     config.theme = "railscast";
     #config.style = "plain";
     config.map-syntax = [
-      "poetry.toml:Toml"
-      "flake.lock:Json"
+      "poetry.toml:toml"
+      "flake.lock:json"
     ];
     # only in unstable as of 22.11:
     #extraPackages = with pkgs.bat-extras; [ batdiff batman batgrep batwatch ];