diff --git a/lib/pigeon/fcm/error.ex b/lib/pigeon/fcm/error.ex
index 6327a09..adced35 100644
--- a/lib/pigeon/fcm/error.ex
+++ b/lib/pigeon/fcm/error.ex
@@ -22,6 +22,6 @@ defmodule Pigeon.FCM.Error do
   defp parse_response("UNAVAILABLE"), do: :unavailable
   defp parse_response("INTERNAL"), do: :internal
   defp parse_response("THIRD_PARTY_AUTH_ERROR"), do: :third_party_auth_error
-  defp parse_response("PERMISSION_DENIED"), do: :permission_denied  
+  defp parse_response("PERMISSION_DENIED"), do: :permission_denied
   defp parse_response(_other), do: :unknown_error
 end