diff --git a/app/mailers/contacts_mailer.rb b/app/mailers/contacts_mailer.rb
index 5c32f58d21bfe302b29b29255d89bc12d13b49b1..35764830b3c05b3bc84b5f4cbd61fa2edcfb6141 100644
--- a/app/mailers/contacts_mailer.rb
+++ b/app/mailers/contacts_mailer.rb
@@ -18,6 +18,7 @@
 # along with portalmec.  If not, see <http://www.gnu.org/licenses/>.
 
 class ContactsMailer < ApplicationMailer
+    default from: Proc.new { @contact.email }
 
     def new_contact_received(contact)
         @contact = contact