diff --git a/boards/models/post.py b/boards/models/post.py
--- a/boards/models/post.py
+++ b/boards/models/post.py
@@ -73,12 +73,6 @@ class PostManager(models.Manager):
                                            last_edit_time=posting_time)
             new_thread = True
         else:
-            thread.bump()
-            thread.last_edit_time = posting_time
-            if thread.can_bump() and (
-                    thread.get_reply_count() >= settings.MAX_POSTS_PER_THREAD):
-                thread.bumpable = False
-            thread.save()
             new_thread = False
 
         pre_text = self._preparse_text(text)
@@ -108,6 +102,11 @@ class PostManager(models.Manager):
 
         if new_thread:
             Thread.objects.process_oldest_threads()
+        else:
+            thread.bump()
+            thread.last_edit_time = posting_time
+            thread.save()
+
         self.connect_replies(post)
 
         return post
diff --git a/boards/models/thread.py b/boards/models/thread.py
--- a/boards/models/thread.py
+++ b/boards/models/thread.py
@@ -72,6 +72,9 @@ class Thread(models.Model):
         if self.can_bump():
             self.bump_time = timezone.now()
 
+            if self.get_reply_count() >= settings.MAX_POSTS_PER_THREAD:
+                self.bumpable = False
+
             logger.info('Bumped thread %d' % self.id)
 
     def get_reply_count(self):