diff --git a/lib/ha_notifier/application.ex b/lib/ha_notifier/application.ex
index aa95134..9b8ebab 100644
--- a/lib/ha_notifier/application.ex
+++ b/lib/ha_notifier/application.ex
@@ -12,7 +12,7 @@ defmodule HANotifier.Application do
 
     children = [
       {HANotifier.Listener, port},
-      {HANotifier.LibnotifyNotifier, nil}
+      HANotifier.LibnotifyNotifier
     ]
 
     # See https://hexdocs.pm/elixir/Supervisor.html
diff --git a/lib/ha_notifier/libnotify_notifier.ex b/lib/ha_notifier/libnotify_notifier.ex
index bc8426d..c0434e0 100644
--- a/lib/ha_notifier/libnotify_notifier.ex
+++ b/lib/ha_notifier/libnotify_notifier.ex
@@ -3,7 +3,7 @@ defmodule HANotifier.LibnotifyNotifier do
 
   use GenServer
 
-  def start_link(nil) do
+  def start_link([]) do
     GenServer.start_link(__MODULE__, nil, name: __MODULE__)
   end