diff --git a/.circleci/config.yml b/.circleci/config.yml
index d05d93c..f410b86 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -51,7 +51,7 @@ jobs:
       - run:
           name: Deploy to heroku
           command: |
-            git push https://HEROKU:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.herokuapp.com 
+            git push https://heroku:$HEROKU_API_KEY@git.heroku.com/$HEROKU_APP_NAME.herokuapp.com 
       - run:
           name: Smoke test
           command: |