diff --git a/lib/validators/post_validator.rb b/lib/validators/post_validator.rb
index 750c3ac5899..9c43cf07d67 100644
--- a/lib/validators/post_validator.rb
+++ b/lib/validators/post_validator.rb
@@ -146,6 +146,7 @@ class Validators::PostValidator < ActiveModel::Validator
     return if SiteSetting.max_consecutive_replies == 0 || post.id || post.acting_user&.staff? || private_message?(post)
 
     topic = post.topic
+    return if topic.posts.first&.user == post.user
 
     last_posts_count = DB.query_single(<<~SQL, topic_id: post.topic_id, user_id: post.acting_user.id, max_replies: SiteSetting.max_consecutive_replies).first
       SELECT COUNT(*)
diff --git a/spec/components/validators/post_validator_spec.rb b/spec/components/validators/post_validator_spec.rb
index cb33aa81468..de1df04bd33 100644
--- a/spec/components/validators/post_validator_spec.rb
+++ b/spec/components/validators/post_validator_spec.rb
@@ -229,7 +229,19 @@ describe Validators::PostValidator do
       SiteSetting.max_consecutive_replies = 2
     end
 
+    it "should always allow posting" do
+      [user, user, user, other_user, user, user, user].each_with_index do |u, i|
+        post = Post.new(user: user, topic: topic, raw: "post number #{i}")
+        validator.force_edit_last_validator(post)
+        expect(post.errors.count).to eq(0)
+        post.save
+      end
+    end
+
     it "should not allow posting more than 2 consecutive replies" do
+      post = Post.new(user: other_user, topic: topic, raw: "post number 0")
+      post.save
+
       1.upto(3).each do |i|
         post = Post.new(user: user, topic: topic, raw: "post number #{i}")
         validator.force_edit_last_validator(post)