diff --git a/app/services/user_blocker.rb b/app/services/user_blocker.rb
index 01b5896e887..fe0091425e9 100644
--- a/app/services/user_blocker.rb
+++ b/app/services/user_blocker.rb
@@ -20,7 +20,7 @@ class UserBlocker
         message_type = @opts[:message] || :blocked_by_staff
         post = SystemMessage.create(@user, message_type)
         if post && @by_user
-          StaffActionLogger.new(@by_user).log_block_user(@user, {context: "#{message_type}: '#{post.topic&.title rescue ''}'"})
+          StaffActionLogger.new(@by_user).log_block_user(@user, {context: "#{message_type}: '#{post.topic&.title rescue ''}' #{@opts[:reason]}"})
         end
       end
     else
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index f68d72b22e4..f3042f594b6 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -1640,6 +1640,8 @@ en:
     deactivated: "Was deactivated due to too many bounced emails to '%{email}'."
     deactivated_by_staff: "Deactivated by staff"
     activated_by_staff: "Activated by staff"
+    new_user_typed_too_fast: "New user typed too fast"
+    content_matches_auto_block_regex: "Content matches auto block regex"
     username:
       short: "must be at least %{min} characters"
       long: "must be no more than %{max} characters"
diff --git a/lib/new_post_manager.rb b/lib/new_post_manager.rb
index 27aebae6639..537c7faff04 100644
--- a/lib/new_post_manager.rb
+++ b/lib/new_post_manager.rb
@@ -104,8 +104,10 @@ class NewPostManager
 
       result = manager.enqueue('default')
 
-      if is_fast_typer?(manager) || matches_auto_block_regex?(manager)
-        UserBlocker.block(manager.user, Discourse.system_user, keep_posts: true)
+      if is_fast_typer?(manager)
+        UserBlocker.block(manager.user, Discourse.system_user, keep_posts: true, reason: I18n.t("user.new_user_typed_too_fast"))
+      elsif matches_auto_block_regex?(manager)
+        UserBlocker.block(manager.user, Discourse.system_user, keep_posts: true, reason: I18n.t("user.content_matches_auto_block_regex"))
       end
 
       result