diff --git a/modules/openapi-generator/src/main/resources/Javascript/es6/package.mustache b/modules/openapi-generator/src/main/resources/Javascript/es6/package.mustache
index bfe24d55709a..bd87553eb22c 100644
--- a/modules/openapi-generator/src/main/resources/Javascript/es6/package.mustache
+++ b/modules/openapi-generator/src/main/resources/Javascript/es6/package.mustache
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "babel src -d dist",
     "prepack": "npm run build",
-    "test": "mocha --compilers js:@babel/register --recursive"
+    "test": "mocha --require @babel/register --recursive"
   },
   "browser": {
     "fs": false
diff --git a/samples/client/petstore/javascript-es6/package.json b/samples/client/petstore/javascript-es6/package.json
index 6a738bcf3385..0032c37d4775 100644
--- a/samples/client/petstore/javascript-es6/package.json
+++ b/samples/client/petstore/javascript-es6/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "babel src -d dist",
     "prepack": "npm run build",
-    "test": "mocha --compilers js:@babel/register --recursive"
+    "test": "mocha --require @babel/register --recursive"
   },
   "browser": {
     "fs": false
diff --git a/samples/client/petstore/javascript-promise-es6/package.json b/samples/client/petstore/javascript-promise-es6/package.json
index 6a738bcf3385..0032c37d4775 100644
--- a/samples/client/petstore/javascript-promise-es6/package.json
+++ b/samples/client/petstore/javascript-promise-es6/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "babel src -d dist",
     "prepack": "npm run build",
-    "test": "mocha --compilers js:@babel/register --recursive"
+    "test": "mocha --require @babel/register --recursive"
   },
   "browser": {
     "fs": false
diff --git a/samples/openapi3/client/petstore/javascript-es6/package.json b/samples/openapi3/client/petstore/javascript-es6/package.json
index 6a738bcf3385..0032c37d4775 100644
--- a/samples/openapi3/client/petstore/javascript-es6/package.json
+++ b/samples/openapi3/client/petstore/javascript-es6/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "babel src -d dist",
     "prepack": "npm run build",
-    "test": "mocha --compilers js:@babel/register --recursive"
+    "test": "mocha --require @babel/register --recursive"
   },
   "browser": {
     "fs": false