diff --git a/.gitignore b/.gitignore
index e0d1afd..c400512 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,6 @@ file_system-*.tar
 /tmp
 
 # Misc
-/priv/mac_listener
+/priv/mac_listener*
 /priv/kqueue
 mix.lock
diff --git a/lib/file_system/worker.ex b/lib/file_system/worker.ex
index 1166cc8..03e7ebd 100644
--- a/lib/file_system/worker.ex
+++ b/lib/file_system/worker.ex
@@ -20,7 +20,9 @@ defmodule FileSystem.Worker do
          {:ok, backend_pid} <- backend.start_link([{:worker_pid, self()} | rest]) do
       {:ok, %{backend_pid: backend_pid, subscribers: %{}}}
     else
-      _ -> :ignore
+      any ->
+        IO.inspect(any)
+        :ignore
     end
   end