diff --git a/lib/onigumo/parser.ex b/lib/onigumo/parser.ex
index 7fd7fb5..7942e57 100644
--- a/lib/onigumo/parser.ex
+++ b/lib/onigumo/parser.ex
@@ -5,14 +5,14 @@ defmodule Onigumo.Parser do
 
   def main(root_path) do
     root_path
-	|> list_downloaded()
+    |> list_downloaded()
     |> Enum.map(&IO.puts(&1))
   end
 
   defp list_downloaded(path) do
-  	path
+    path
     |> File.ls!()
-	|> Enum.filter(&is_downloaded(&1))
+    |> Enum.filter(&is_downloaded(&1))
   end
 
   defp is_downloaded(path) do