diff --git a/cfp/templates/cfp/closed.html b/cfp/templates/cfp/closed.html
new file mode 100644
index 0000000..3fc2bc3
--- /dev/null
+++ b/cfp/templates/cfp/closed.html
@@ -0,0 +1,18 @@
+{% extends 'base.html' %}
+{% load i18n %}
+
+{% block proposetab %} class="active"{% endblock %}
+
+{% block content %}
+<div class="page-header">
+  <h1>
+    {% trans "Participate" %}
+  </h1>
+</div>
+
+<h2>{% trans "Sorry, the Call for Participation is closed!" %}</h2>
+
+{% url 'proposal-mail-token' as mail_token_url %}
+<p>{% blocktrans %}If you already have submitted a talk and you want to edit it, please click <a href="{{ mail_token_url }}">here</a>.{% endblocktrans %}</p>
+
+{% endblock %}
diff --git a/cfp/templates/cfp/proposal_dashboard.html b/cfp/templates/cfp/proposal_dashboard.html
index c1d3b28..0fabb3c 100644
--- a/cfp/templates/cfp/proposal_dashboard.html
+++ b/cfp/templates/cfp/proposal_dashboard.html
@@ -71,7 +71,9 @@
   <i>{% trans "No proposals." %}</i>
   {% endfor %}
 </p>
+{% if conference.opened_categories.exists %}
 <p>
   <a href="{% url 'proposal-talk-add' speaker_token=speaker.token %}" class="btn btn-primary">{% trans "New proposal" %}</a>
 </p>
+{% endif %}
 {% endblock %}
diff --git a/cfp/templates/cfp/proposal_talk_details.html b/cfp/templates/cfp/proposal_talk_details.html
index 5707479..7a0fd6a 100644
--- a/cfp/templates/cfp/proposal_talk_details.html
+++ b/cfp/templates/cfp/proposal_talk_details.html
@@ -13,9 +13,11 @@
       <a href="{% url 'proposal-dashboard' speaker_token=speaker.token %}" class="btn btn-primary">
         <span class="glyphicon glyphicon-chevron-left"></span>&nbsp;{% trans "My profile" %}
       </a>
+      {% if conference.opened_categories.exists %}
       <a href="{% url 'proposal-talk-add' speaker_token=speaker.token %}" class="btn btn-info">
         <span class="glyphicon glyphicon-plus"></span>&nbsp;{% trans "New proposal" %}
       </a>
+      {% endif %}
       <a href="{% url 'proposal-talk-edit' speaker_token=speaker.token talk_id=talk.pk %}" class="btn btn-success">
         <span class="glyphicon glyphicon-pencil"></span>&nbsp;{% trans "Edit this proposal" %}
       </a>
diff --git a/cfp/views.py b/cfp/views.py
index 416c6e9..b02ad68 100644
--- a/cfp/views.py
+++ b/cfp/views.py
@@ -143,6 +143,8 @@ def proposal_home(request):
         categories = TalkCategory.objects.filter(site=request.conference.site)
     else:
         categories = request.conference.opened_categories
+    if not categories.exists():
+        return render(request, 'cfp/closed.html')
     speaker_form = ParticipantForm(request.POST or None, conference=request.conference, social=False)
     talk_form = TalkForm(request.POST or None, categories=categories)
     if request.method == 'POST' and all(map(lambda f: f.is_valid(), [speaker_form, talk_form])):