diff --git a/config/config.exs b/config/config.exs
index 352a632..b237445 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -27,4 +27,4 @@ use Mix.Config
 # Configuration from the imported file will override the ones defined
 # here (which is why it is important to import them last).
 #
-import_config "#{Mix.env}.exs"
+import_config "#{Mix.env()}.exs"
diff --git a/lib/scribe.ex b/lib/scribe.ex
index b98f513..2c94d33 100644
--- a/lib/scribe.ex
+++ b/lib/scribe.ex
@@ -75,15 +75,15 @@ defmodule Scribe do
       +----------+---------+
       :ok
   """
-  @spec print(data, format_opts) :: :ok
-  def print(_results, opts \\ [])
+  @spec print(data, IO.device(), format_opts) :: :ok
+  def print(_results, dev \\ :stdio, opts \\ [])
 
-  def print([], _opts), do: :ok
+  def print([], _dev, _opts), do: :ok
 
-  def print(results, opts) do
+  def print(results, dev, opts) do
     results
     |> format(opts)
-    |> IO.puts()
+    |> IO.puts(dev)
   end
 
   def console(results, opts \\ []) do