diff --git a/src/backoffice/locale/de/LC_MESSAGES/django.po b/src/backoffice/locale/de/LC_MESSAGES/django.po
index 194ca9c4ecc7afb0119ba728db88c6be9cff94a4..c2ffe1a94bac19d7da0231f3f3bb08ca07e552b6 100644
--- a/src/backoffice/locale/de/LC_MESSAGES/django.po
+++ b/src/backoffice/locale/de/LC_MESSAGES/django.po
@@ -730,6 +730,12 @@ msgstr "SoS speichern"
 msgid "Event--sos-edit"
 msgstr "SoS bearbeiten"
 
+msgid "Event--sos-public-links"
+msgstr "Öffentlicher Link"
+
+msgid "Event--sos-participants-only"
+msgstr "Achtung: An Selforganized Sessions können nur Konferenzteilnehmer teilnehmen!"
+
 msgid "Event--sos-delete"
 msgstr "SoS löschen"
 
diff --git a/src/backoffice/locale/en/LC_MESSAGES/django.po b/src/backoffice/locale/en/LC_MESSAGES/django.po
index 1de379238959a7cd05952c989fac4933ac37dee6..c136a2c2f1a2792ada2ae614ce0a2d31413cdd23 100644
--- a/src/backoffice/locale/en/LC_MESSAGES/django.po
+++ b/src/backoffice/locale/en/LC_MESSAGES/django.po
@@ -731,6 +731,12 @@ msgstr "submit sos"
 msgid "Event--sos-edit"
 msgstr "edit sos"
 
+msgid "Event--sos-public-links"
+msgstr "Public Link"
+
+msgid "Event--sos-participants-only"
+msgstr "Warning: Only conference visitors can visit selforganized sessions!"
+
 msgid "Event--sos-delete"
 msgstr "delete sos"
 
diff --git a/src/backoffice/templates/backoffice/sos_edit.html b/src/backoffice/templates/backoffice/sos_edit.html
index 07db6bb0f64b30757dbf7a7369189ae4fdc7d553..6343816e8ec3564b0d16280df4ac7215bbfb4ee2 100644
--- a/src/backoffice/templates/backoffice/sos_edit.html
+++ b/src/backoffice/templates/backoffice/sos_edit.html
@@ -5,7 +5,11 @@
 {% block content %}
 <div class="card">
 	<div class="card-header">
-		{% trans "Event--sos-edit" %}
+		<p>{% trans "Event--sos-edit" %}</p>
+		<small>
+			<a href="{{plainui_link}}">{% trans 'Event--sos-public-links' %}</a><br>
+			{% trans 'Event--sos-participants-only' %}
+		</small>
 	</div>
 	<div class="card-body">
 		<form action="{% url 'backoffice:sos-edit' pk=object.pk %}" method="POST">
diff --git a/src/backoffice/views/events.py b/src/backoffice/views/events.py
index f361ee8549e07e80c3c8a4eb5d6c5c03bd56a6cb..a380295d13dcbda5f3d64f963c343206b9159699 100644
--- a/src/backoffice/views/events.py
+++ b/src/backoffice/views/events.py
@@ -1,6 +1,7 @@
 import logging
 
 from django import forms
+from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.views.generic import ListView
@@ -162,6 +163,7 @@ class SosEditView(LoginRequiredMixin, ConferenceMixin, UpdateView):
         return {
             'active_page': 'sos',
             **super().get_context_data(*args, **kwargs),
+            'plainui_link': settings.PLAINUI_BASE_URL + reverse('plainui:event', kwargs={'event_slug': self.object.slug}),
         }
 
     def get_form_kwargs(self):
diff --git a/src/rc3platform/settings/base.py b/src/rc3platform/settings/base.py
index 95a5b9be55b64aa082335663b66c192362cc0646..8fdfbf9ed1db4e0321f5b81de44ebaf087a456a6 100644
--- a/src/rc3platform/settings/base.py
+++ b/src/rc3platform/settings/base.py
@@ -320,7 +320,7 @@ WORKADVENTURE_BACKEND_PUSH_ON_MAPSERVICE_DATA = True
 # ----------------------------------
 
 # base domain of the frontend (used to generate links in API and BackOffice, not in the plain UI itself)
-PLAINUI_BASE_URL = os.getenv('PLAINUI_BASE_URL', default=None)
+PLAINUI_BASE_URL = os.getenv('PLAINUI_BASE_URL', default='')
 
 # Database ID of the active conference for the PlainUI.
 # To initialize create a conference in the backend, then configure the conference, then restart the UI workers