diff --git a/roles/badges-frontend/templates/tahrir.ini b/roles/badges-frontend/templates/tahrir.ini
index d0f868c352..98c843a725 100644
--- a/roles/badges-frontend/templates/tahrir.ini
+++ b/roles/badges-frontend/templates/tahrir.ini
@@ -62,6 +62,9 @@ tahrir.use_openid_email = False
 # For auto-updating the frontpage.
 tahrir.use_websockets = True
 
+# For emitting messages when users claim badge invitations.
+tahrir.use_fedmsg = True
+
 session.secret="${tahrirSessionSecret}"
 authnsecret="${tahrirAuthnSecret}"