diff --git a/lib/internal/test_runner/reporter/junit.js b/lib/internal/test_runner/reporter/junit.js
index 25f5667c59e273..d246259a737311 100644
--- a/lib/internal/test_runner/reporter/junit.js
+++ b/lib/internal/test_runner/reporter/junit.js
@@ -133,7 +133,7 @@ module.exports = async function* junitReporter(source) {
           }
           if (event.type === 'test:fail') {
             const error = event.data.details?.error;
-            currentTest.children.push({
+            ArrayPrototypePush(currentTest.children, {
               __proto__: null,
               nesting: event.data.nesting + 1,
               tag: 'failure',