diff --git a/libforget/mastodon.py b/libforget/mastodon.py
index 68a2a1a..5de06fe 100644
--- a/libforget/mastodon.py
+++ b/libforget/mastodon.py
@@ -211,10 +211,10 @@ def delete(post):
 
 
 def suggested_instances(limit=5, min_popularity=5, blacklist=tuple()):
-    return (
+    return tuple((ins.instance for ins in (
             MastodonInstance.query
             .filter(MastodonInstance.popularity > min_popularity)
             .filter(~MastodonInstance.instance.in_(blacklist))
             .order_by(db.desc(MastodonInstance.popularity),
                       MastodonInstance.instance)
-            .limit(limit).all())
+            .limit(limit).all())))
diff --git a/routes/__init__.py b/routes/__init__.py
index 83c79d4..45cb24c 100644
--- a/routes/__init__.py
+++ b/routes/__init__.py
@@ -35,7 +35,10 @@ def index():
 
 @app.route('/about/')
 def about():
-    instances = libforget.mastodon.suggested_instances()
+    ki = KnownInstances(request.cookies.get('forget_known_instances', ''))
+    ki.normalize()
+    instances = ki.top()
+    instances += libforget.mastodon.suggested_instances(blacklist=instances)
     return render_template(
             'about.html',
             mastodon_instances=instances,
@@ -270,7 +273,11 @@ def mastodon_login_step2(instance_url):
     ki.bump(instance_url)
 
     resp = redirect(url_for('index'))
-    resp.set_cookie('forget_known_instances', ki.serialize())
+    resp.set_cookie(
+            'forget_known_instances', ki.serialize(),
+            max_age=60*60*24*365,
+            httponly=True
+            )
     return resp
 
 
diff --git a/templates/about.html b/templates/about.html
index e0604e5..844ac33 100644
--- a/templates/about.html
+++ b/templates/about.html
@@ -37,12 +37,12 @@
 <p>
 
 {% for instance in mastodon_instances %}
-<a style='background-color:#282c37' class='btn primary' href="{{ url_for('mastodon_login_step1', instance_url=instance.instance) }}">
+<a style='background-color:#282c37' class='btn primary' href="{{ url_for('mastodon_login_step1', instance_url=instance) }}">
 {% if loop.first %}
     {{picture(st, 'mastodon', (20,40,80), ('webp', 'png'))}}
     Log in with
 {% endif %}
-        {{instance.instance}}
+        {{instance}}
 </a>
 {% else %}
 <a style='background-color:#282c37' class='btn primary' href="{{ url_for('mastodon_login_step1') }}">
diff --git a/templates/mastodon_login.html b/templates/mastodon_login.html
index 05bc3ef..64bea3f 100644
--- a/templates/mastodon_login.html
+++ b/templates/mastodon_login.html
@@ -18,7 +18,7 @@
         <datalist id='instances'>
             <option value=''>
             {% for instance in instances %}
-            <option value='{{instance.instance}}'>
+            <option value='{{instance}}'>
             {% endfor %}
         </datalist>
         <input name='confirm' value='Log in' type='submit'/>