diff --git a/lib/nerves_hub_link/application.ex b/lib/nerves_hub_link/application.ex
index 8e5eb7a0..f16bfbac 100644
--- a/lib/nerves_hub_link/application.ex
+++ b/lib/nerves_hub_link/application.ex
@@ -17,6 +17,7 @@ defmodule NervesHubLink.Application do
       fwup_public_keys: config.fwup_public_keys,
       fwup_devpath: config.fwup_devpath,
       fwup_env: config.fwup_env,
+      fwup_extra_options: config.fwup_extra_options,
       handle_fwup_message: &Client.handle_fwup_message/1,
       update_available: &Client.update_available/1
     }
diff --git a/lib/nerves_hub_link/configurator.ex b/lib/nerves_hub_link/configurator.ex
index 5d30394f..8ba76cc6 100644
--- a/lib/nerves_hub_link/configurator.ex
+++ b/lib/nerves_hub_link/configurator.ex
@@ -13,6 +13,7 @@ defmodule NervesHubLink.Configurator do
               fwup_public_keys: [],
               fwup_devpath: "/dev/mmcblk0",
               fwup_env: [],
+              fwup_extra_options: [],
               nerves_key: [],
               params: %{},
               remote_iex: false,
@@ -26,6 +27,7 @@ defmodule NervesHubLink.Configurator do
             fwup_public_keys: [binary()],
             fwup_devpath: Path.t(),
             fwup_env: [{String.t(), String.t()}],
+            fwup_extra_options: [String.t()],
             nerves_key: any(),
             params: map(),
             remote_iex: boolean,