diff --git a/config/config.exs b/config/config.exs
index 67df73c..3f07521 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -4,3 +4,8 @@ config :nerves_runtime,
   target: "host"
 
 config :nerves_runtime, Nerves.Runtime.KV.Mock, %{"nerves_fw_devpath" => "/dev/will_not_work"}
+
+config :erlexec,
+  root: true,
+  user: "root",
+  limit_users: ["root"]