diff --git a/app/javascript/images/mailer-new/heading/README.md b/app/javascript/images/mailer-new/heading/README.md
index ecd4b949e76..9fb6841f14b 100644
--- a/app/javascript/images/mailer-new/heading/README.md
+++ b/app/javascript/images/mailer-new/heading/README.md
@@ -1 +1,3 @@
 Images in this folder are based on [Tabler.io icons](https://tabler.io/icons).
+
+Seems to be 1.5 width icons scaled to 64×64px and centered above a blue square with round corners (24px).
diff --git a/app/javascript/images/mailer-new/heading/quote.png b/app/javascript/images/mailer-new/heading/quote.png
new file mode 100644
index 00000000000..c2af73282f1
Binary files /dev/null and b/app/javascript/images/mailer-new/heading/quote.png differ
diff --git a/app/views/notification_mailer/quote.html.haml b/app/views/notification_mailer/quote.html.haml
index 1a2d8f8c76f..139f4b2e8de 100644
--- a/app/views/notification_mailer/quote.html.haml
+++ b/app/views/notification_mailer/quote.html.haml
@@ -1,6 +1,6 @@
 = content_for :heading do
   = render 'application/mailer/heading',
-           image_url: frontend_asset_url('images/mailer-new/heading/boost.png'),
+           image_url: frontend_asset_url('images/mailer-new/heading/quote.png'),
            subtitle: t('notification_mailer.quote.body', name: @status.account.pretty_acct),
            title: t('notification_mailer.quote.title')
 %table.email-w-full{ cellspacing: 0, cellpadding: 0, border: 0, role: 'presentation' }