diff --git a/config/prod.exs b/config/prod.exs
index ee470490f..1033fcdce 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -41,7 +41,7 @@ config :mobilizon, Mobilizon.Mailer,
   no_mx_lookups: false
 
 # Do not print debug messages in production
-config :logger, level: System.get_env("MOBILIZON_LOGLEVEL") |> String.to_atom || :info
+config :logger, level: System.get_env("MOBILIZON_LOGLEVEL") |> String.to_atom() || :info
 
 # ## SSL Support
 #
diff --git a/lib/service/http_signatures/http_signatures.ex b/lib/service/http_signatures/http_signatures.ex
index 4327efcf7..e6e2f475e 100644
--- a/lib/service/http_signatures/http_signatures.ex
+++ b/lib/service/http_signatures/http_signatures.ex
@@ -43,7 +43,7 @@ defmodule Mobilizon.Service.HTTPSignatures do
 
   defp prepare_public_key(public_key_code) do
     with [public_key_entry] <- :public_key.pem_decode(public_key_code) do
-      :public_key.pem_entry_decode(public_key_entry)
+      {:ok, :public_key.pem_entry_decode(public_key_entry)}
     else
       _err ->
         {:error, :pem_decode_error}