diff --git a/app/views/groups/signup.html.haml b/app/views/groups/signup.html.haml
index db12442d23..a557dc6857 100644
--- a/app/views/groups/signup.html.haml
+++ b/app/views/groups/signup.html.haml
@@ -10,7 +10,7 @@
       .small-12.medium-6.medium-offset-3.columns.text-center
         %p.text-big We're an amazing platform for collaborative marketing, the easiest way for your members and stakeholders to reach new markets. We're non-profit, affordable, and simple.
         %br
-        %a.button.transparent{href: "hello@openfoodnetwork.org".reverse, target: '_blank', mailto: true}
+        %a.button.transparent{href: "hello@openfoodnetwork.org?subject=Groups+enquiry".reverse, target: '_blank', mailto: true}
           Email us
 
   .groups-details.pane
@@ -98,7 +98,7 @@
       .small-12.medium-6.medium-offset-3.columns.text-center
         %h2 Ready to discuss?
         %p.text-big  Get in touch to discover what OFN can do for you:
-        %a.button.transparent{href: "hello@openfoodnetwork.org".reverse, target: '_blank', mailto: true}
+        %a.button.transparent{href: "hello@openfoodnetwork.org?subject=Groups+enquiry".reverse, target: '_blank', mailto: true}
           Email us
 
   #hub-details.pane.footer-pad