diff --git a/lib/excoveralls/settings.ex b/lib/excoveralls/settings.ex
index b6ce37a6..a7243e3e 100644
--- a/lib/excoveralls/settings.ex
+++ b/lib/excoveralls/settings.ex
@@ -6,7 +6,10 @@ defmodule ExCoveralls.Settings do
   defmodule Files do
     @file_name "coveralls.json"
     def default_file, do: "#{Path.dirname(__ENV__.file)}/../conf/#{@file_name}"
-    def custom_file,  do: "#{System.cwd}/#{@file_name}"
+    def custom_file do
+      dot_file = Path.expand("~/.excoveralls/coveralls.json")
+      if File.exists?(dot_file), do: dot_file, else: "#{System.cwd}/#{@file_name}"
+    end
   end
 
   @doc """