diff --git a/README.md b/README.md
index 1c107c2..39dd44d 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ Example connection strings for EVE_ROUTE_DB:
 - jdbc:h2:./h2file
 
 The following variables are optional, see resources/application.conf for their default values:
-- EVE_ROUTE_PORT
+- PORT
 - EVE_ROUTE_OAUTH_AUTHORIZE
 - EVE_ROUTE_OAUTH_TOKEN
 - EVE_ROUTE_OAUTH_KEY_SET
diff --git a/resources/application.conf b/resources/application.conf
index a75b2f1..cc6c4ee 100644
--- a/resources/application.conf
+++ b/resources/application.conf
@@ -1,7 +1,7 @@
 ktor {
     deployment {
         port = 8080
-        port = ${?EVE_ROUTE_PORT}
+        port = ${?PORT}
         watch = [ classes ]
     }
     application {