diff --git a/app/Mail/PhotoCommentRepliedTo.php b/app/Mail/PhotoCommentRepliedTo.php
index 77dcebc..58062b7 100644
--- a/app/Mail/PhotoCommentRepliedTo.php
+++ b/app/Mail/PhotoCommentRepliedTo.php
@@ -8,14 +8,13 @@ use App\Photo;
 use App\PhotoComment;
 use App\User;
 use Illuminate\Bus\Queueable;
-use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
 
 /**
  * E-mail notification to the poster of a comment that is sent when it has been approved.
  * @package App\Mail
  */
-class PhotoCommentRepliedTo extends Mailable
+class PhotoCommentRepliedTo extends MailableBase
 {
     use Queueable, SerializesModels;