diff --git a/e2e/cypress/src/cypress.test.ts b/e2e/cypress/src/cypress.test.ts
index d4d15e7806297..9528ea34f777b 100644
--- a/e2e/cypress/src/cypress.test.ts
+++ b/e2e/cypress/src/cypress.test.ts
@@ -160,6 +160,7 @@ describe('env vars', () => {
     async () => {
       // ensure ports are free before running tests
       await killPort(4200);
+      await killPort(4201);
 
       const ngAppName = uniq('ng-app');
       runCLI(