diff --git a/.changeset/rare-trainers-guess.md b/.changeset/rare-trainers-guess.md
new file mode 100644
index 0000000..7fe5995
--- /dev/null
+++ b/.changeset/rare-trainers-guess.md
@@ -0,0 +1,5 @@
+---
+"@tokens-studio/configurator": patch
+---
+
+Add preprocessors tokens-studio in default config, since SD prerelease 27 this must be explicit in the config.
diff --git a/src/style-dictionary.js b/src/style-dictionary.js
index 2741d9d..1dcd48a 100644
--- a/src/style-dictionary.js
+++ b/src/style-dictionary.js
@@ -20,7 +20,7 @@ import { snackbar } from "./components/snackbar/SnackbarManager.js";
 const { promises } = fs;
 
 StyleDictionary.registerParser({
-  name: "js-tokens-parser",
+  name: "tokens-studio/parser-js",
   // matches js, mjs
   pattern: /\.(j|mj)s$/,
   parser: async ({ filePath }) => {
diff --git a/src/utils/file-tree.js b/src/utils/file-tree.js
index 9c10487..2b91522 100644
--- a/src/utils/file-tree.js
+++ b/src/utils/file-tree.js
@@ -102,6 +102,7 @@ export async function createConfig() {
     JSON.stringify(
       {
         source: ["**/*.json"],
+        preprocessors: ["tokens-studio"],
         platforms: {
           css: {
             transformGroup: "tokens-studio",