diff --git a/lib/mix/tasks/api.ex b/lib/mix/tasks/api.ex
index 538f9ab..97860d1 100644
--- a/lib/mix/tasks/api.ex
+++ b/lib/mix/tasks/api.ex
@@ -82,7 +82,8 @@ defmodule Mix.Tasks.Api do
     end
 
     def format_date(%{"date" => date}) do
-      DateFormat.parse!("2015/#{date}", "{YYYY}/{0M}/{0D}")
+      date
+      |> DateFormat.parse!("2015/#{date}", "{YYYY}/{0M}/{0D}")
       |> DateFormat.format!("%d %B %Y", :strftime)
     end