diff --git a/app/routes/forum/topic.py b/app/routes/forum/topic.py
index ebd4b3f..3fe036d 100644
--- a/app/routes/forum/topic.py
+++ b/app/routes/forum/topic.py
@@ -38,7 +38,8 @@ def forum_topic(f, t):
     db.session.commit()
 
     if request.args.get('page') == "last":
-        page = t.thread.comments.count() // V5Config.COMMENTS_PER_PAGE + 1
+        page = (t.thread.comments.count() - 1) \
+            // V5Config.COMMENTS_PER_PAGE + 1
     else:
         page = request.args.get('page', 1, type=int)