diff --git a/Dockerfile b/Dockerfile
index aad1580c0..cccdb6cc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ ARG APP_REACT_APP_DIGITRANSIT_API_KEY
 ENV REACT_APP_DIGITRANSIT_API_KEY=${APP_REACT_APP_DIGITRANSIT_API_KEY}
 
 ARG APP_DOMAIN
-ENV DOMAIN_NAME=${APP_DOMAIN}
+ENV APP_DOMAIN=${APP_DOMAIN}
 
 ARG APP_BUILD_DATE
 ENV BUILD_DATE=${APP_BUILD_DATE}
diff --git a/config/env.js b/config/env.js
index eabd9d05e..dda7251f1 100644
--- a/config/env.js
+++ b/config/env.js
@@ -78,7 +78,7 @@ function getClientEnvironment(publicUrl) {
                 // images into the `src` and `import` them in code to get their paths.
                 PUBLIC_URL: publicUrl,
                 ENVIRONMENT: process.env.ENVIRONMENT,
-                DOMAIN_NAME: process.env.DOMAIN_NAME,
+                APP_DOMAIN: process.env.APP_DOMAIN,
                 BUILD_DATE: process.env.BUILD_DATE,
                 REACT_APP_DIGITRANSIT_API_KEY: process.env.REACT_APP_DIGITRANSIT_API_KEY
             }
diff --git a/config/webpack.config.prod.js b/config/webpack.config.prod.js
index 6dc75a6fc..52a1d328f 100644
--- a/config/webpack.config.prod.js
+++ b/config/webpack.config.prod.js
@@ -305,7 +305,7 @@ module.exports = {
             'process.env.REACT_APP_DIGITRANSIT_API_KEY': JSON.stringify(process.env.REACT_APP_DIGITRANSIT_API_KEY)
         }),
         new webpack.DefinePlugin({
-            'process.env.DOMAIN_NAME': JSON.stringify(process.env.DOMAIN_NAME)
+            'process.env.APP_DOMAIN': JSON.stringify(process.env.APP_DOMAIN)
         }),
         new webpack.DefinePlugin({
             'process.env.BUILD_DATE': JSON.stringify(process.env.BUILD_DATE)