diff --git a/.circleci/config.yml b/.circleci/config.yml
index 17c9d8d..fb8f597 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -27,7 +27,7 @@ jobs: # a collection of steps
           command: wget --retry-connrefused --waitretry=1 --timeout=15 -t 10 http://localhost:8880
       - run:
           name: Bad HTTP Request to server
-          command: wget  --retry-connrefused --waitretry=1 --timeout=15 -t 10 http://localhost:8880/invalid || :
+          command: 'wget  --retry-connrefused --waitretry=1 --timeout=15 -t 10 http://localhost:8880/invalid || :'
       - run:
           name: Run server without request
           command: node server.js --test --port=8888