diff --git a/app/views/blocks/profile_info_actions/_join_leave_community.html.erb b/app/views/blocks/profile_info_actions/_join_leave_community.html.erb
index 608c889..b561ec6 100644
--- a/app/views/blocks/profile_info_actions/_join_leave_community.html.erb
+++ b/app/views/blocks/profile_info_actions/_join_leave_community.html.erb
@@ -11,7 +11,7 @@
           class: 'join-community',
           style: 'position: relative; display: none;' %>
       <% else %>
-        <%= button :add, _('Join this community'), profile.join_url %>
+        <%= button :add, _('Join this community'), profile.join_url, class: 'join-community' %>
       <% end %>
     <% end %>
   <% else %>
--
libgit2 0.21.2