diff --git a/app/views/messages/mailboxes/_message.html.erb b/app/views/messages/mailboxes/_message.html.erb
index 22ef4d7c2..96d3fa2ca 100644
--- a/app/views/messages/mailboxes/_message.html.erb
+++ b/app/views/messages/mailboxes/_message.html.erb
@@ -4,8 +4,8 @@
   <td class="text-nowrap"><%= l message.sent_on, :format => :friendly %></td>
   <td class="text-nowrap">
     <div class="d-flex justify-content-end gap-1">
-      <%= button_to t(".unread_button"), message_read_mark_path(message), :method => :delete, :class => "btn btn-sm btn-primary", :form => { :data => { :turbo => true }, :class => "inbox-mark-unread", :hidden => !message.message_read? } %>
-      <%= button_to t(".read_button"), message_read_mark_path(message), :method => :post, :class => "btn btn-sm btn-primary", :form => { :data => { :turbo => true }, :class => "inbox-mark-read", :hidden => message.message_read? } %>
+      <%= button_to t(".unread_button"), message_read_mark_path(message), :method => :delete, :class => "btn btn-sm btn-primary", :form => { :data => { :turbo => true }, :hidden => !message.message_read? } %>
+      <%= button_to t(".read_button"), message_read_mark_path(message), :method => :post, :class => "btn btn-sm btn-primary", :form => { :data => { :turbo => true }, :hidden => message.message_read? } %>
       <%= button_to t(".destroy_button"), message_path(message, :referer => request.fullpath), :method => :delete, :class => "btn btn-sm btn-danger", :form => { :data => { :turbo => true }, :class => "destroy-message" } %>
       <% if message.muted? %>
         <%= button_to t(".unmute_button"), message_unmute_path(message), :method => :patch, :class => "btn btn-sm btn-secondary", :form => { :data => { :turbo => true } } %>