diff --git a/cli/__test__/build/configRedoc/index.test.ts b/cli/__test__/build/configRedoc/index.test.ts
index f28f08bd..382700b5 100644
--- a/cli/__test__/build/configRedoc/index.test.ts
+++ b/cli/__test__/build/configRedoc/index.test.ts
@@ -4,8 +4,8 @@ import { readFileSync } from 'fs';
 describe('build', () => {
   it('should use .redocly.yaml', () => {
     const r = spawnSync(
-      'node',
-      ['../../../index.js', 'build', ' ../../../../demo/openapi.yaml', '--output=redocTest.html'],
+      'ts-node',
+      ['../../../index.ts', 'build', ' ../../../../demo/openapi.yaml', '--output=redocTest.html'],
       {
         cwd: __dirname,
         shell: true,
diff --git a/cli/__test__/build/configRedoc/inlineOptions.test.ts b/cli/__test__/build/configRedoc/inlineOptions.test.ts
index fffc1ace..9ed0cfad 100644
--- a/cli/__test__/build/configRedoc/inlineOptions.test.ts
+++ b/cli/__test__/build/configRedoc/inlineOptions.test.ts
@@ -4,9 +4,9 @@ import { readFileSync } from 'fs';
 describe('build with inline options', () => {
   it('should use inline options and ignore .redocly.yaml', () => {
     const r = spawnSync(
-      'node',
+      'ts-node',
       [
-        '../../../index.js',
+        '../../../index.ts',
         'build',
         ' ../../../../demo/openapi.yaml',
         '--options.disableSearch="false" ',