diff --git a/core/plugin/twitter_load_more/twitter_load_more.rb b/core/plugin/twitter_load_more/twitter_load_more.rb
index 19a7f142..fa5c9104 100644
--- a/core/plugin/twitter_load_more/twitter_load_more.rb
+++ b/core/plugin/twitter_load_more/twitter_load_more.rb
@@ -19,7 +19,8 @@ Plugin.create(:twitter_load_more) do
       }
       world.mentions(params).next(&adder).terminate("twitter_load_more: reply の追加取得に失敗しました")
     elsif timeline(tl_slug).parent.is_a?(Plugin::GUI::Fragment)
-      oldest = timeline(tl_slug).min {|a, b| a.modified.to_i <=> b.modified.to_i }
+      idname = timeline(tl_slug).parent.slug.to_s.match(%r!\Ausertimeline_https://twitter\.com/(.*)_\d+_[0-9a-z]+_[0-9a-z]+\z!){|m| m[1]}
+      oldest = timeline(tl_slug).select {|m| m.user.idname == idname }.min {|a, b| a.modified.to_i <=> b.modified.to_i }
       fragment_slug = timeline(tl_slug).parent.slug
       %r!\Ausertimeline_(.+)_[0-9]+_[0-9A-Fa-f]{8}_[0-9A-Fa-f]{8}\z!.match(fragment_slug.to_s) do |m|
         params = {