diff --git a/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt b/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
index 7cf58380..aac3abe4 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/ItemViewHolder.kt
@@ -266,7 +266,7 @@ internal class ItemViewHolder(
 		ivFollow.layoutParams.width = s
 		ivBoosted.layoutParams.width = s
 		
-		s = ActMain.replyIconSize
+		s = ActMain.replyIconSize + (activity.density*8).toInt()
 		ivReply.layoutParams.width = s
 		ivReply.layoutParams.height = s
 		
diff --git a/app/src/main/java/jp/juggler/subwaytooter/Pref.kt b/app/src/main/java/jp/juggler/subwaytooter/Pref.kt
index 6c2012ca..95607c17 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/Pref.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/Pref.kt
@@ -414,7 +414,7 @@ object Pref {
 	val spAvatarIconSize = StringPref("avatar_icon_size", "48")
 	val spNotificationTlIconSize = StringPref("notification_tl_icon_size", "32")
 	val spBoostButtonSize = StringPref("BoostButtonSize", "35")
-	val spReplyIconSize = StringPref("ReplyIconSize", "32")
+	val spReplyIconSize = StringPref("ReplyIconSize", "24")
 	val spMediaSizeMax = StringPref("max_media_size", "8")
 	val spMovieSizeMax = StringPref("max_movie_size", "40")
 	val spTimelineFont = StringPref("timeline_font", "", skipImport = true)
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 8322e91d..5391531a 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -841,6 +841,6 @@
     <string name="unspecified">指定なし</string>
     <string name="cant_change_account_when_editing_scheduled_status">予約した投稿の再編集ではアカウントを変更できません</string>
     <string name="delete_scheduled_status_before_update">投稿する前に編集前の古い予約投稿を削除します。よろしいですか?</string>
-    <string name="reply_icon_size">返信アイコンの大きさ(単位:dp。デフォルト:32)</string>
+    <string name="reply_icon_size">返信アイコンの大きさ(単位:dp。デフォルト:24。アプリ再起動が必要)</string>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3e6ddca1..5382a380 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -861,6 +861,6 @@
     <string name="scheduled_status_list">Scheduled status list</string>
     <string name="cant_change_account_when_editing_scheduled_status">Can\'t change account when editing scheduled status.</string>
     <string name="delete_scheduled_status_before_update">Delete scheduled status before posting. Are you sure?</string>
-    <string name="reply_icon_size">Reply icon size(Unit:dp. default:32)</string>
+    <string name="reply_icon_size">Reply icon size(Unit:dp. default:24. app restart required)</string>
 
 </resources>