diff --git a/e2e/externals/fixtures/getFs.ts b/e2e/externals/fixtures/getFs.ts
new file mode 100644
index 00000000..d695783d
--- /dev/null
+++ b/e2e/externals/fixtures/getFs.ts
@@ -0,0 +1,3 @@
+import fs from 'node:fs/promises';
+
+export { fs };
diff --git a/e2e/externals/mock.test.ts b/e2e/externals/mock.test.ts
new file mode 100644
index 00000000..594cb369
--- /dev/null
+++ b/e2e/externals/mock.test.ts
@@ -0,0 +1,19 @@
+import { describe, expect, it, rs } from '@rstest/core';
+import { fs as memfs } from 'memfs';
+import { fs } from './fixtures/getFs';
+
+rs.mock('node:fs/promises', () => {
+  return {
+    default: {
+      ...memfs.promises,
+      name: 'memfs',
+    },
+  };
+});
+
+describe('test externals mock', () => {
+  it('should external node_modules by default', async () => {
+    // @ts-expect-error
+    expect(fs.name).toBe('memfs');
+  });
+});
diff --git a/packages/core/src/core/plugins/external.ts b/packages/core/src/core/plugins/external.ts
index 3f45c2d6..6261c8a8 100644
--- a/packages/core/src/core/plugins/external.ts
+++ b/packages/core/src/core/plugins/external.ts
@@ -24,7 +24,7 @@ const autoExternalNodeModules: (
     callback(
       undefined,
       externalPath,
-      dependencyType === 'commonjs' ? 'commonjs' : 'import',
+      dependencyType === 'commonjs' ? 'commonjs' : 'commonjs-import',
     );
   };
 
@@ -74,7 +74,7 @@ function autoExternalNodeBuiltin(
     callback(
       undefined,
       request,
-      dependencyType === 'commonjs' ? 'commonjs' : 'module-import',
+      dependencyType === 'commonjs' ? 'commonjs' : 'commonjs-import',
     );
   } else {
     callback();