diff --git a/.circleci/config.yml b/.circleci/config.yml
index a6e829b..13acc66 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -125,7 +125,7 @@ jobs:
       - run:
           name: Smoke Test
           command: |
-            if [ "$HTTPCODE" -ne 200 ];then
+            if [[ "$HTTPCODE" -ne 200 ]];then
             echo "heroku app not responding, failing deploy"
             exit 1
             HTTPCODE=`curl -s -o /dev/null -w "%{http_code}" https://$HEROKU_APP_NAME.herokuapp.com/`