diff --git a/.travis.yml b/.travis.yml
index b60270840..8879cfdf6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,7 +35,7 @@ env:
   - CLOUDDATA_HOST=${CLOUDDATA_HOST:-$CLOUDDATA_HOST_STAGING}
   - RECAPTCHA_SITE_KEY_master=6LeRbUwUAAAAAFYhKgk3G9OKWqE_OJ7Z-7VTUCbl
   - RECAPTCHA_SITE_KEY_STAGING=6LfukK4UAAAAAFR44yoZMhv8fj6xh-PMiIxwryG3
-  - RECAPTCHA_SITE=RECAPTCHA_SITE_KEY_$TRAVIS_BRANCH
+  - RECAPTCHA_SITE_KEY_VAR=RECAPTCHA_SITE_KEY_$TRAVIS_BRANCH
   - RECAPTCHA_SITE_KEY=${!RECAPTCHA_SITE_KEY_VAR}
   - RECAPTCHA_SITE_KEY=${RECAPTCHA_SITE_KEY:-$RECAPTCHA_SITE_KEY_STAGING}
   - ROOT_URL_master=https://scratch.mit.edu