diff --git a/docker/production/releases.exs b/docker/production/releases.exs
index 41213267..72d84ca4 100644
--- a/docker/production/releases.exs
+++ b/docker/production/releases.exs
@@ -15,7 +15,7 @@ config :mobilizon, :instance,
   name: System.get_env("MOBILIZON_INSTANCE_NAME", "Mobilizon"),
   description: "Change this to a proper description of your instance",
   hostname: System.get_env("MOBILIZON_INSTANCE_HOST", "mobilizon.lan"),
-  registrations_open: System.get_env("MOBILIZON_INSTANCE_REGISTRATIONS_OPEN", "false"),
+  registrations_open: System.get_env("MOBILIZON_INSTANCE_REGISTRATIONS_OPEN", "false") == "true",
   demo: false,
   allow_relay: true,
   federating: true,