diff --git a/app/views/components/_session_card.html.erb b/app/views/components/_session_card.html.erb
index adb3330..366d571 100644
--- a/app/views/components/_session_card.html.erb
+++ b/app/views/components/_session_card.html.erb
@@ -5,7 +5,6 @@
     <a href="<%= schedule[:session_url] %>" class="text-lg font-semibold text-accent underline underline-offset-4 block">
       <%= schedule[:session_title] %>
     </a>
-
     <%# 登壇者情報 %>
     <div class="flex items-center gap-x-2">
       <%= render 'components/avatar', name: schedule[:presenter][:name], url: schedule[:presenter][:avatar_url], size: 'm' %>
@@ -14,10 +13,10 @@
         <span class="text-sm text-shade-30">@<%= schedule[:presenter][:handle] %></span>
       </div>
     </div>
-
     <%# フレンズボタン（参加者リスト）%>
-    <%= render 'components/friends_button', profiles: attendees, onClick: "console.log('FIXME: clicked Friends Button')" %>
-
+    <% if attendees.present? %>
+      <%= render 'components/friends_button', profiles: attendees, onClick: "console.log('FIXME: clicked Friends Button')" %>
+    <% end %>
     <%# 追加・削除ボタン %>
     <%= render("components/button",
       icon: scheduled ? render("components/icons/close") : render("components/icons/add"),