diff --git a/apps/participation/templates/participation/participation_detail.html b/apps/participation/templates/participation/participation_detail.html
index 2eee5bc..87430d4 100644
--- a/apps/participation/templates/participation/participation_detail.html
+++ b/apps/participation/templates/participation/participation_detail.html
@@ -28,7 +28,7 @@
                 </dl>
                 {% if participation.solution.platform == "youtube" %}
                     {% include "participation/youtube_iframe.html" with youtube_code=participation.solution.youtube_code %}
-                {% else %}
+                {% elif participation.solution %}
                     <div class="alert alert-danger">
                     {% trans "This video platform is not supported yet." %}
                     </div>