diff --git a/resources/views/email.phtml b/resources/views/email.phtml
index cfaa2cb..05aed11 100644
--- a/resources/views/email.phtml
+++ b/resources/views/email.phtml
@@ -141,7 +141,7 @@ $event_color = static function (string $kind) use ($palette): string {
     };
 };
 
-$avatar = static function (Individual|null $individual) use ($avatar_cids, $avatar_size, $palette): string {
+$avatar = static function (Individual|null $individual) use ($avatar_cids, $avatar_size, $palette, $font_stack): string {
     if (!$individual instanceof Individual) {
         return '';
     }