diff --git a/tools/testing/init_node_spec.ts b/tools/testing/init_node_spec.ts
index e28b9c5c3a..d9f256f830 100644
--- a/tools/testing/init_node_spec.ts
+++ b/tools/testing/init_node_spec.ts
@@ -15,9 +15,14 @@ import 'zone.js/dist/fake-async-test.js';
 import 'zone.js/dist/task-tracking.js';
 import 'reflect-metadata/Reflect';
 
-// Initialize jasmine with @bazel/jasmine boot() function. This will initialize
-// global.jasmine so that it can be patched by zone.js jasmine-patch.js.
-require('@bazel/jasmine').boot();
+// We must first initialize jasmine-core before calling
+// requiring `zone.js/dist/jasmine-patch.js` which patches
+// jasmine ENV with code which understands ProxyZone.
+// jasmine_node_test under Bazel will check if `jasmineCore.boot(jasmineCore)`
+// has been called and re-use the env if it has.
+// See https://github.com/bazelbuild/rules_nodejs/pull/539
+const jasmineCore: any = require('jasmine-core');
+jasmineCore.boot(jasmineCore);
 import 'zone.js/dist/jasmine-patch.js';
 
 (global as any).isNode = true;