diff --git a/app/views/invitations/new_blueprint.html.haml b/app/views/invitations/new_blueprint.html.haml
index ac9cc323f..4cd957bb9 100644
--- a/app/views/invitations/new_blueprint.html.haml
+++ b/app/views/invitations/new_blueprint.html.haml
@@ -31,4 +31,4 @@
         %br
 
         %p
-          = submit_tag t('invitations.new.send_an_invitation'), :disable_with => t('invitations.new.sending_invitation')
+          = submit_tag t('invitations.new.send_an_invitation'), data: {disable_with: t('invitations.new.sending_invitation')}