diff --git a/config/prod.exs b/config/prod.exs
index 9ab3626c..959c290c 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -79,6 +79,8 @@ config :core, Legendary.CoreMailer,
   no_mx_lookups: false,
   auth: :always
 
+config :core, email_from: System.get_env("EMAIL_FROM")
+
 # ## Using releases (Elixir v1.9+)
 #
 # If you are doing OTP releases, you need to instruct Phoenix