diff --git a/bookwyrm/templates/directory.html b/bookwyrm/templates/directory.html
index 9323752f..9e1cfae9 100644
--- a/bookwyrm/templates/directory.html
+++ b/bookwyrm/templates/directory.html
@@ -11,6 +11,23 @@
         {% trans "Directory" %}
     </h1>
 </header>
+
+{% if not request.user.discoverable %}
+<div class="box has-text-centered content">
+    {% url 'settings-profile' as path %}
+    <p>
+        {% trans "Make your profile discoverable so other BookWyrm users can find you." %}
+    </p>
+    <form name="directory" method="POST" action="{% url 'directory' %}">
+        {% csrf_token %}
+        <button class="button is-primary" type="submit">Join Directory</button>
+        <p class="help">
+            {% blocktrans %}You can opt-out at any time in your <a href="{{ path }}">profile settings</a>{% endblocktrans %}
+        </p>
+    </form>
+</div>
+{% endif %}
+
 <div class="columns is-multiline">
     {% for user in users %}
     <div class="column is-one-third">
diff --git a/bookwyrm/views/directory.py b/bookwyrm/views/directory.py
index cc21baf2..addb85c2 100644
--- a/bookwyrm/views/directory.py
+++ b/bookwyrm/views/directory.py
@@ -1,6 +1,7 @@
 """ who all's here? """
 from django.contrib.auth.decorators import login_required
 from django.core.paginator import Paginator
+from django.shortcuts import redirect
 from django.template.response import TemplateResponse
 from django.views import View
 from django.utils.decorators import method_decorator
@@ -30,3 +31,9 @@ class Directory(View):
             "users": paginated.page(page),
         }
         return TemplateResponse(request, "directory.html", data)
+
+    def post(self, request):
+        """ join the directory """
+        request.user.discoverable = True
+        request.user.save()
+        return redirect('directory')