diff --git a/AKPlan/templates/AKPlan/plan_akslot.html b/AKPlan/templates/AKPlan/plan_akslot.html
index 03769846d6cdde55fbfac4cf2e0952eeb8f34ab4..f951c86c00d3716e27dcd42ef10147956014284e 100644
--- a/AKPlan/templates/AKPlan/plan_akslot.html
+++ b/AKPlan/templates/AKPlan/plan_akslot.html
@@ -53,7 +53,7 @@
                                 'title': '{{ slot.room }}',
                                 'start': '{{ slot.start | timezone:ak.event.timezone | date:"Y-m-d H:i:s" }}',
                                 'end': '{{ slot.end | timezone:ak.event.timezone | date:"Y-m-d H:i:s" }}',
-                                'url' : '{% url "plan:plan_room" event_slug=ak.event.slug pk=slot.room.pk %}'
+                                'url' : '{% if slot.room %}{% url "plan:plan_room" event_slug=ak.event.slug pk=slot.room.pk %}{% else %}#{% endif %}'
                             },
                         {% endif %}
                     {% endfor %}
diff --git a/AKSubmission/templates/AKSubmission/ak_detail.html b/AKSubmission/templates/AKSubmission/ak_detail.html
index 758b175a5afe586aa6e099476690c0d99cb9393f..483e66e38bcc0bc118fc36d70566b8a0566f452a 100644
--- a/AKSubmission/templates/AKSubmission/ak_detail.html
+++ b/AKSubmission/templates/AKSubmission/ak_detail.html
@@ -170,6 +170,12 @@
                         <a href="{% url 'submit:akslot_delete' event_slug=ak.event.slug pk=slot.pk %}"
                            data-toggle="tooltip" title="{% trans 'Delete' %}"
                            class="btn btn-danger">{% fa5_icon 'times' 'fas' %}</a>
+                    {% else %}
+                        {% if "AKOnline"|check_app_installed and slot.room and slot.room.virtualroom and slot.room.virtualroom.url != '' %}
+                            <a class="btn btn-success" href="{{ slot.room.virtualroom.url }}">
+                                {% fa5_icon 'external-link-alt' 'fas' %} {% trans "Go to virtual room" %}
+                            </a>
+                        {% endif %}
                     {% endif %}
                     {% if user.is_staff %}
                         <a href="{% url 'admin:AKModel_akslot_change' slot.pk %}"