diff --git a/.circleci/config.yml b/.circleci/config.yml
index e375504..57b8efe 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -20,7 +20,7 @@ jobs: # a collection of steps
             - ./node_modules
       - run: # run tests
           name: Start server in background
-          command: node server.js --port=8880
+          command: node server.js --port=-1
           background: true
       - run:
           name: Valid HTTP Request to server