diff --git a/Procfile b/Procfile
index 2a0bb19..1142800 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: PORT=$PORT yarn back start
+web: yarn back start
diff --git a/back/config/env/production/server.js b/back/config/env/production/server.js
index a3b4321..dc83826 100644
--- a/back/config/env/production/server.js
+++ b/back/config/env/production/server.js
@@ -1,3 +1,5 @@
 module.exports = ({ env }) => ({
-  url: env("MY_HEROKU_URL"),
+  url: env("PUBLIC_URL", "https://fast-springs-77208.herokuapp.com"),
+  host: env("HOST", "0.0.0.0"),
+  port: env.int("PORT", 1337),
 });