diff --git a/script/node-spec-runner.js b/script/node-spec-runner.js
index 340ff1d9f63b7..16c51af15db82 100644
--- a/script/node-spec-runner.js
+++ b/script/node-spec-runner.js
@@ -55,7 +55,7 @@ const getCustomOptions = () => {
 async function main () {
   const options = args.default ? defaultOptions : getCustomOptions();
 
-  const testChild = cp.spawn('python', options, {
+  const testChild = cp.spawn('python3', options, {
     env: {
       ...process.env,
       ELECTRON_RUN_AS_NODE: 'true',