diff --git a/main/templates/main/ranking_detail.html b/main/templates/main/ranking_detail.html
index 2104bea8..e448edb0 100644
--- a/main/templates/main/ranking_detail.html
+++ b/main/templates/main/ranking_detail.html
@@ -113,7 +113,7 @@ <h2 class="page-header">ランキング</h2>
                     {% endif %}
                 </td>
                 <td class="medal">
-                    {% if result.medal.medal %}
+                    {% if result.medal.medal and result.medal.medal != 12 %}
                     <img src="{% static 'img/medal/' %}{{ result.medal.medal }}.png" width="18" height="18"/>
                     {% else %}
                     -