diff --git a/boards/admin.py b/boards/admin.py
--- a/boards/admin.py
+++ b/boards/admin.py
@@ -56,9 +56,9 @@ class ThreadAdmin(admin.ModelAdmin):
     def op(self, obj: Thread):
         return obj.get_opening_post_id()
 
-    list_display = ('id', 'op', 'title', 'reply_count', 'archived', 'ip',
+    list_display = ('id', 'op', 'title', 'reply_count', 'status', 'ip',
             'display_tags')
-    list_filter = ('bump_time', 'archived', 'bumpable')
+    list_filter = ('bump_time', 'status')
     search_fields = ('id', 'title')
     filter_horizontal = ('tags',)
 
diff --git a/boards/forms.py b/boards/forms.py
--- a/boards/forms.py
+++ b/boards/forms.py
@@ -238,7 +238,7 @@ class PostForm(NeboardForm):
             for thread_id in threads_id_list:
                 try:
                     thread = Post.objects.get(id=int(thread_id))
-                    if not thread.is_opening() or thread.get_thread().archived:
+                    if not thread.is_opening() or thread.get_thread().is_archived():
                         raise ObjectDoesNotExist()
                     threads.append(thread)
                 except (ObjectDoesNotExist, ValueError):
diff --git a/boards/models/image.py b/boards/models/image.py
--- a/boards/models/image.py
+++ b/boards/models/image.py
@@ -27,8 +27,8 @@ class PostImageManager(models.Manager):
 
         return post_image
 
-    def get_random_images(self, count, include_archived=False, tags=None):
-        images = self.filter(post_images__thread__archived=include_archived)
+    def get_random_images(self, count, tags=None):
+        images = self
         if tags is not None:
             images = images.filter(post_images__threads__tags__in=tags)
         return images.order_by('?')[:count]
diff --git a/boards/models/post/__init__.py b/boards/models/post/__init__.py
--- a/boards/models/post/__init__.py
+++ b/boards/models/post/__init__.py
@@ -178,7 +178,7 @@ class Post(models.Model, Viewable):
         thread = self.get_thread()
 
         css_classes = [CSS_CLS_POST]
-        if thread.archived:
+        if thread.is_archived():
             css_classes.append(CSS_CLS_ARCHIVE_POST)
         elif not thread.can_bump():
             css_classes.append(CSS_CLS_DEAD_POST)
@@ -283,7 +283,7 @@ class Post(models.Model, Viewable):
             for thread in self.get_threads().all():
                 thread.last_edit_time = self.last_edit_time
 
-                thread.save(update_fields=['last_edit_time', 'bumpable'])
+                thread.save(update_fields=['last_edit_time', 'status'])
 
         super().save(force_insert, force_update, using, update_fields)
 
@@ -335,7 +335,7 @@ class Post(models.Model, Viewable):
                     thread.update_bump_status()
 
                 thread.last_edit_time = self.last_edit_time
-                thread.save(update_fields=['last_edit_time', 'bumpable'])
+                thread.save(update_fields=['last_edit_time', 'status'])
             self.threads.add(opening_post.get_thread())
 
     def get_tripcode(self):
diff --git a/boards/models/tag.py b/boards/models/tag.py
--- a/boards/models/tag.py
+++ b/boards/models/tag.py
@@ -5,6 +5,7 @@ from django.db.models import Count
 from django.core.urlresolvers import reverse
 
 from boards.models.base import Viewable
+from boards.models.thread import STATUS_ACTIVE, STATUS_BUMPLIMIT, STATUS_ARCHIVE
 from boards.utils import cached_result
 import boards
 
@@ -61,22 +62,20 @@ class Tag(models.Model, Viewable):
 
         return self.get_thread_count() == 0
 
-    def get_thread_count(self, archived=None, bumpable=None) -> int:
+    def get_thread_count(self, status=None) -> int:
         threads = self.get_threads()
-        if archived is not None:
-            threads = threads.filter(archived=archived)
-        if bumpable is not None:
-            threads = threads.filter(bumpable=bumpable)
+        if status is not None:
+            threads = threads.filter(status=status)
         return threads.count()
 
     def get_active_thread_count(self) -> int:
-        return self.get_thread_count(archived=False, bumpable=True)
+        return self.get_thread_count(status=STATUS_ACTIVE)
 
     def get_bumplimit_thread_count(self) -> int:
-        return self.get_thread_count(archived=False, bumpable=False)
+        return self.get_thread_count(status=STATUS_BUMPLIMIT)
 
     def get_archived_thread_count(self) -> int:
-        return self.get_thread_count(archived=True)
+        return self.get_thread_count(status=STATUS_ARCHIVE)
 
     def get_absolute_url(self):
         return reverse('tag', kwargs={'tag_name': self.name})
@@ -106,11 +105,11 @@ class Tag(models.Model, Viewable):
     def get_description(self):
         return self.description
 
-    def get_random_image_post(self, archived=False):
+    def get_random_image_post(self, status=False):
         posts = boards.models.Post.objects.annotate(images_count=Count(
             'images')).filter(images_count__gt=0, threads__tags__in=[self])
-        if archived is not None:
-            posts = posts.filter(thread__archived=archived)
+        if status is not None:
+            posts = posts.filter(thread__status=status)
         return posts.order_by('?').first()
 
     def get_first_letter(self):
diff --git a/boards/models/thread.py b/boards/models/thread.py
--- a/boards/models/thread.py
+++ b/boards/models/thread.py
@@ -5,6 +5,10 @@ from django.db.models import Count, Sum,
 from django.utils import timezone
 from django.db import models
 
+STATUS_ACTIVE = 'active'
+STATUS_BUMPLIMIT = 'bumplimit'
+STATUS_ARCHIVE = 'archived'
+
 from boards import settings
 import boards
 from boards.utils import cached_result, datetime_to_epoch
@@ -33,7 +37,7 @@ class ThreadManager(models.Manager):
          archive or delete the old ones.
          """
 
-        threads = Thread.objects.filter(archived=False).order_by('-bump_time')
+        threads = Thread.objects.exclude(status=STATUS_ARCHIVE).order_by('-bump_time')
         thread_count = threads.count()
 
         max_thread_count = settings.get_int('Messages', 'MaxThreadCount')
@@ -50,11 +54,10 @@ class ThreadManager(models.Manager):
             logger.info('Processed %d old threads' % num_threads_to_delete)
 
     def _archive_thread(self, thread):
-        thread.archived = True
-        thread.bumpable = False
+        thread.status = STATUS_ARCHIVE
         thread.last_edit_time = timezone.now()
         thread.update_posts_time()
-        thread.save(update_fields=['archived', 'last_edit_time', 'bumpable'])
+        thread.save(update_fields=['last_edit_time', 'status'])
 
     def get_new_posts(self, datas):
         query = None
@@ -90,9 +93,8 @@ class Thread(models.Model):
     tags = models.ManyToManyField('Tag', related_name='thread_tags')
     bump_time = models.DateTimeField(db_index=True)
     last_edit_time = models.DateTimeField()
-    archived = models.BooleanField(default=False)
-    bumpable = models.BooleanField(default=True)
     max_posts = models.IntegerField(default=get_thread_max_posts)
+    status = models.CharField(max_length=50, default=STATUS_ACTIVE)
 
     def get_tags(self) -> QuerySet:
         """
@@ -118,7 +120,7 @@ class Thread(models.Model):
 
     def update_bump_status(self, exclude_posts=None):
         if self.has_post_limit() and self.get_reply_count() >= self.max_posts:
-            self.bumpable = False
+            self.status = STATUS_BUMPLIMIT
             self.update_posts_time(exclude_posts=exclude_posts)
 
     def _get_cache_key(self):
@@ -138,7 +140,7 @@ class Thread(models.Model):
         Checks if the thread can be bumped by replying to it.
         """
 
-        return self.bumpable and not self.is_archived()
+        return self.get_status() == STATUS_ACTIVE
 
     def get_last_replies(self) -> QuerySet:
         """
@@ -255,4 +257,7 @@ class Thread(models.Model):
         return self.get_replies().filter(id__gt=post_id)
 
     def is_archived(self):
-        return self.archived
+        return self.get_status() == STATUS_ARCHIVE
+
+    def get_status(self):
+        return self.status
diff --git a/boards/rss.py b/boards/rss.py
--- a/boards/rss.py
+++ b/boards/rss.py
@@ -3,6 +3,7 @@ from django.core.urlresolvers import rev
 from django.shortcuts import get_object_or_404
 from boards.models import Post, Tag, Thread
 from boards import settings
+from boards.models.thread import STATUS_ARCHIVE
 
 __author__ = 'nekorin'
 
@@ -18,7 +19,7 @@ class AllThreadsFeed(Feed):
     description_template = 'boards/rss/post.html'
 
     def items(self):
-        return Thread.objects.filter(archived=False).order_by('-id')[:MAX_ITEMS]
+        return Thread.objects.exclude(status=STATUS_ARCHIVE).order_by('-id')[:MAX_ITEMS]
 
     def item_title(self, item):
         return item.get_opening_post().title
@@ -36,7 +37,7 @@ class TagThreadsFeed(Feed):
     description_template = 'boards/rss/post.html'
 
     def items(self, obj):
-        return obj.get_threads().filter(archived=False).order_by('-id')[:MAX_ITEMS]
+        return obj.get_threads().exclude(status=STATUS_ARCHIVE).order_by('-id')[:MAX_ITEMS]
 
     def get_object(self, request, tag_name):
         return get_object_or_404(Tag, name=tag_name)
diff --git a/boards/templates/boards/post.html b/boards/templates/boards/post.html
--- a/boards/templates/boards/post.html
+++ b/boards/templates/boards/post.html
@@ -21,14 +21,14 @@
             and this is an opening post (thread death time) or a post for popup
             (we don't see OP here so we show the death time in the post itself).
         {% endcomment %}
-        {% if thread.archived %}
+        {% if thread.is_archived %}
             {% if is_opening %}
             — <time datetime="{{ thread.bump_time|date:'c' }}">{{ thread.bump_time }}</time>
             {% endif %}
         {% endif %}
         {% if is_opening %}
             {% if need_open_link %}
-                {% if thread.archived %}
+                {% if thread.is_archived %}
                     <a class="link" href="{% url 'thread' post.id %}">{% trans "Open" %}</a>
                 {% else %}
                     <a class="link" href="{% url 'thread' post.id %}#form">{% trans "Reply" %}</a>
@@ -41,7 +41,7 @@
                 {% endwith %}
             {% endif %}
         {% endif %}
-        {% if reply_link and not thread.archived %}
+        {% if reply_link and not thread.is_archived %}
             <a href="#form" onclick="addQuickReply('{{ post.id }}'); return false;">{% trans 'Reply' %}</a>
         {% endif %}
 
diff --git a/boards/templates/boards/thread_normal.html b/boards/templates/boards/thread_normal.html
--- a/boards/templates/boards/thread_normal.html
+++ b/boards/templates/boards/thread_normal.html
@@ -38,7 +38,7 @@
         {% endfor %}
     </div>
 
-    {% if not thread.archived %}
+    {% if not thread.is_archived %}
         <div class="post-form-w">
             <script src="{% static 'js/panel.js' %}"></script>
             <div class="form-title">{% trans "Reply to thread" %} #{{ opening_post.id }}<span class="reply-to-message"> {% trans "to message " %} #<span id="reply-to-message-id"></span></span></div>
diff --git a/boards/tests/test_api.py b/boards/tests/test_api.py
--- a/boards/tests/test_api.py
+++ b/boards/tests/test_api.py
@@ -31,6 +31,7 @@ class ApiTest(TestCase):
         req = MockRequest()
         req.POST['thread'] = opening_post.id
         req.POST['uids'] = ' '.join(uids)
+        req.user = None
         # Check the timestamp before post was added
         response = api.api_get_threaddiff(req)
         diff = simplejson.loads(response.content)
diff --git a/boards/tests/test_post.py b/boards/tests/test_post.py
--- a/boards/tests/test_post.py
+++ b/boards/tests/test_post.py
@@ -3,6 +3,7 @@ from django.test import TestCase
 
 from boards import settings
 from boards.models import Tag, Post, Thread
+from boards.models.thread import STATUS_ARCHIVE
 
 
 class PostTests(TestCase):
@@ -96,7 +97,7 @@ class PostTests(TestCase):
             self._create_post()
 
         self.assertEqual(settings.get_int('Messages', 'MaxThreadCount'),
-                         len(Thread.objects.filter(archived=False)))
+                         len(Thread.objects.exclude(status=STATUS_ARCHIVE)))
 
     def test_pages(self):
         """Test that the thread list is properly split into pages"""
@@ -104,9 +105,9 @@ class PostTests(TestCase):
         for i in range(settings.get_int('Messages', 'MaxThreadCount')):
             self._create_post()
 
-        all_threads = Thread.objects.filter(archived=False)
+        all_threads = Thread.objects.exclude(status=STATUS_ARCHIVE)
 
-        paginator = Paginator(Thread.objects.filter(archived=False),
+        paginator = Paginator(Thread.objects.exclude(status=STATUS_ARCHIVE),
                               settings.get_int('View', 'ThreadsPerPage'))
         posts_in_second_page = paginator.page(2).object_list
         first_post = posts_in_second_page[0]
diff --git a/boards/views/api.py b/boards/views/api.py
--- a/boards/views/api.py
+++ b/boards/views/api.py
@@ -12,6 +12,7 @@ from boards.abstracts.settingsmanager im
 
 from boards.forms import PostForm, PlainErrorList
 from boards.models import Post, Thread, Tag
+from boards.models.thread import STATUS_ARCHIVE
 from boards.utils import datetime_to_epoch
 from boards.views.thread import ThreadView
 from boards.models.user import Notification
@@ -136,9 +137,9 @@ def api_get_threads(request, count):
         tag_name = request.GET[PARAMETER_TAG]
         if tag_name is not None:
             tag = get_object_or_404(Tag, name=tag_name)
-            threads = tag.get_threads().filter(archived=False)
+            threads = tag.get_threads().exclude(status=STATUS_ARCHIVE)
     else: 
-        threads = Thread.objects.filter(archived=False)
+        threads = Thread.objects.exclude(status=STATUS_ARCHIVE)
 
     if PARAMETER_OFFSET in request.GET:
         offset = request.GET[PARAMETER_OFFSET]
@@ -155,8 +156,7 @@ def api_get_threads(request, count):
 
         # TODO Add tags, replies and images count
         post_data = opening_post.get_post_data(include_last_update=True)
-        post_data['bumpable'] = thread.can_bump()
-        post_data['archived'] = thread.archived
+        post_data['status'] = thread.get_status()
 
         opening_posts.append(post_data)
 
diff --git a/boards/views/thread/thread.py b/boards/views/thread/thread.py
--- a/boards/views/thread/thread.py
+++ b/boards/views/thread/thread.py
@@ -97,7 +97,7 @@ class ThreadView(BaseBoardView, PostMixi
 
             return redirect('thread', post_id)  # FIXME Different for different modes
 
-        if not opening_post.get_thread().archived:
+        if not opening_post.get_thread().is_archived():
             form = PostForm(request.POST, request.FILES,
                             error_class=PlainErrorList)
             form.session = request.session