diff --git a/apps/participation/models.py b/apps/participation/models.py
index 27d92df..e1d242c 100644
--- a/apps/participation/models.py
+++ b/apps/participation/models.py
@@ -1,5 +1,7 @@
 import re
 
+from django.template.loader import render_to_string
+
 from corres2math.lists import get_sympa_client
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.validators import RegexValidator
@@ -162,6 +164,11 @@ class Video(models.Model):
         return re.compile("(https?://|)(www\\.|)(youtube\\.com/watch\\?v=|youtu\\.be/)([a-zA-Z0-9-_]*)?.*?")\
             .match("https://www.youtube.com/watch?v=73nsrixx7eI").group(4)
 
+    def as_iframe(self):
+        if self.platform == "youtube":
+            return render_to_string("participation/youtube_iframe.html", context=dict(youtube_code=self.youtube_code))
+        return None
+
     def __str__(self):
         return _("Video of team {name} ({trigram})")\
             .format(name=self.participation.team.name, trigram=self.participation.team.trigram)
diff --git a/apps/participation/templates/participation/participation_detail.html b/apps/participation/templates/participation/participation_detail.html
index 6026667..37ae535 100644
--- a/apps/participation/templates/participation/participation_detail.html
+++ b/apps/participation/templates/participation/participation_detail.html
@@ -26,15 +26,11 @@
                         {% if current_phase.phase_number == 1 or participation.solution.link == "" %}
                             <button class="btn btn-primary" data-toggle="modal" data-target="#uploadVideoModal">{% trans "Upload" %}</button>
                         {% endif %}
+                        {% if participation.solution.link %}
+                            <button class="btn btn-info" data-toggle="modal" data-target="#displayVideoModal">{% trans "Display" %}</button>
+                        {% endif %}
                     </dd>
                 </dl>
-                {% if participation.solution.platform == "youtube" %}
-                    {% include "participation/youtube_iframe.html" with youtube_code=participation.solution.youtube_code %}
-                {% elif participation.solution %}
-                    <div class="alert alert-danger">
-                    {% trans "This video platform is not supported yet." %}
-                    </div>
-                {% endif %}
             </div>
         </div>
     </div>
@@ -43,6 +39,9 @@
 {% trans "Upload" as modal_button %}
 {% url "participation:upload_video" pk=participation.solution_id as modal_action %}
 {% include "base_modal.html" with modal_id="uploadVideo" %}
+{% trans "Display solution" as modal_title %}
+{% trans "This video platform is not supported yet." as unsupported_platform %}
+{% include "base_modal.html" with modal_id="displayVideo" modal_action="" modal_button="" modal_additional_class="modal-lg" modal_content=participation.solution.as_iframe|default:unsupported_platform %}
 {% endblock %}
 
 {% block extrajavascript %}