diff --git a/components/mjs/node-main/config.json b/components/mjs/node-main/config.json
index 28cd82bb6..da639e122 100644
--- a/components/mjs/node-main/config.json
+++ b/components/mjs/node-main/config.json
@@ -5,7 +5,7 @@
     "copy": [
       "node-main.mjs",
       "node-main.cjs",
-      "node-main-setup.mjs"
+      "node-main-setup.cjs"
     ]
   },
   "webpack": {
diff --git a/components/mjs/node-main/node-main-setup.cjs b/components/mjs/node-main/node-main-setup.cjs
new file mode 100644
index 000000000..293652c51
--- /dev/null
+++ b/components/mjs/node-main/node-main-setup.cjs
@@ -0,0 +1,5 @@
+global.require = require;
+const path = require("path");
+
+if (!global.MathJax) global.MathJax = {};
+global.MathJax.__dirname = __dirname;
diff --git a/components/mjs/node-main/node-main-setup.mjs b/components/mjs/node-main/node-main-setup.mjs
deleted file mode 100644
index 793a66e4e..000000000
--- a/components/mjs/node-main/node-main-setup.mjs
+++ /dev/null
@@ -1,7 +0,0 @@
-import {createRequire} from 'module';
-global.require = createRequire(import.meta.url);
-
-const path = require("path");
-
-if (!global.MathJax) global.MathJax = {};
-global.MathJax.__dirname = path.dirname(new URL(import.meta.url).pathname);
diff --git a/components/mjs/node-main/node-main.mjs b/components/mjs/node-main/node-main.mjs
index a6eb7be34..0276610be 100644
--- a/components/mjs/node-main/node-main.mjs
+++ b/components/mjs/node-main/node-main.mjs
@@ -1,4 +1,4 @@
-import './node-main-setup.mjs';
+import './node-main-setup.cjs';
 import {MathJax} from './node-main.js';
 export default MathJax;
 export const init = MathJax.init;