kmx.io/kmxgit

diff --git a/lib/kmxgit/repository_manager/repository.ex b/lib/kmxgit/repository_manager/repository.ex
index 533e797..526b6cb 100644
--- a/lib/kmxgit/repository_manager/repository.ex
+++ b/lib/kmxgit/repository_manager/repository.ex
@@ -143,6 +143,7 @@ defmodule Kmxgit.RepositoryManager.Repository do
     end
   end
 
+  def owner?(_, nil), do: false
   def owner?(repo, user) do
     if user do
       repo
@@ -158,6 +159,7 @@ defmodule Kmxgit.RepositoryManager.Repository do
     |> Enum.uniq
   end
 
+  def member?(_, nil), do: false
   def member?(repo, user) do
     if user do
       repo