diff --git a/README.md b/README.md
index 62af0e7..7e69561 100644
--- a/README.md
+++ b/README.md
@@ -172,6 +172,9 @@ heroku config:add HEROKU=true
 heroku config:add SECRET_TOKEN="$(bundle exec rake secret)"
 heroku config:add ERRBIT_HOST=some-hostname.example.com
 heroku config:add ERRBIT_EMAIL_FROM=example@example.com
+# This next line is required to access env variables during asset compilation. 
+# For more info, go to this link: https://devcenter.heroku.com/articles/labs-user-env-compile
+heroku labs:enable user-env-compile
 git push heroku master
 ```
 
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libgit2 0.21.2