diff --git a/users/simon/modules/zsh.nix b/users/simon/modules/zsh.nix
index 73993e7..b69ab34 100644
--- a/users/simon/modules/zsh.nix
+++ b/users/simon/modules/zsh.nix
@@ -80,6 +80,10 @@ in
           # do not glob # (conflicts with nix flakes)
           disable -p '#'
 
+          # syntax highlighting
+          source ${pkgs.zsh-fast-syntax-highlighting}/share/zsh/site-functions/fast-syntax-highlighting.plugin.zsh
+          FAST_HIGHLIGHT_STYLES[comment]=fg=010
+
           source ${../files/zsh/pass-wrappers.zsh}
         '')
       ];