diff --git a/packages/overlayscrollbars-ngx/package.json b/packages/overlayscrollbars-ngx/package.json
index bdefa8d..f589d5e 100644
--- a/packages/overlayscrollbars-ngx/package.json
+++ b/packages/overlayscrollbars-ngx/package.json
@@ -36,6 +36,6 @@
   },
   "scripts": {
     "build": "ng build overlayscrollbars-ngx",
-    "test": "ng test --watch=false"
+    "test": "ng test --watch=false --sourceMap=false --browsers=ChromeHeadless"
   }
 }