diff --git a/lib/mix/tasks/licenses.ex b/lib/mix/tasks/licenses.ex
index 782642d..91083f3 100644
--- a/lib/mix/tasks/licenses.ex
+++ b/lib/mix/tasks/licenses.ex
@@ -18,7 +18,7 @@ defmodule Mix.Tasks.Licenses do
     licenses = Licensir.Scanner.scan()
 
     Enum.each(licenses, fn(license) ->
-      license.name <> " " <> license.version
+      license.name <> " " <> (license.version || "")
       |> String.pad_trailing(@name_width)
       |> Kernel.<>("-> " <> license.license)
       |> IO.puts()
diff --git a/mix.exs b/mix.exs
index 0ceeff2..3dbf466 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Licensir.Mixfile do
   def project do
     [
       app: :licensir,
-      version: "0.2.3",
+      version: "0.2.4",
       elixir: "~> 1.5",
       escript: [main_module: Licensir.Licenses],
       deps: deps(),