diff --git a/pkgs/by-name/tr/tree-sitter/grammars/default.nix b/pkgs/by-name/tr/tree-sitter/grammars/default.nix
index da1c049d0d7e..237e0fd99c6a 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/default.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/default.nix
@@ -6,13 +6,14 @@
   fetchpatch,
   fetchFromCodeberg,
   nix-update-script,
+  stdenv,
 }:
 
 let
   /**
     Set of grammar sources. See ./grammar-sources.nix to define a new grammar.
   */
-  grammar-sources = import ./grammar-sources.nix { inherit lib fetchpatch; };
+  grammar-sources = import ./grammar-sources.nix { inherit lib fetchpatch stdenv; };
 
   /**
     Parse a flakeref style string to { type, owner, repo, ref }
diff --git a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
index d2a78b5b174b..81bda82b084e 100644
--- a/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/by-name/tr/tree-sitter/grammars/grammar-sources.nix
@@ -1,4 +1,8 @@
-{ fetchpatch, lib }:
+{
+  fetchpatch,
+  lib,
+  stdenv,
+}:
 
 {
 
@@ -1758,6 +1762,8 @@
     url = "github:nvim-neorg/tree-sitter-norg";
     hash = "sha256-z3h5qMuNKnpQgV62xZ02F5vWEq4VEnm5lxwEnIFu+Rw=";
     meta = {
+      # Uses a C++ external scanner, unsupported by the WASM grammar build.
+      broken = stdenv.hostPlatform.isWasi;
       license = lib.licenses.mit;
     };
   };
diff --git a/pkgs/by-name/tr/tree-sitter/package.nix b/pkgs/by-name/tr/tree-sitter/package.nix
index 72e6bb2c6784..cc4522b35f21 100644
--- a/pkgs/by-name/tr/tree-sitter/package.nix
+++ b/pkgs/by-name/tr/tree-sitter/package.nix
@@ -61,6 +61,7 @@ let
       fetchFromSourcehut
       fetchFromCodeberg
       fetchpatch
+      stdenv
       ;
   };