diff --git a/Source/Resources/Base.lproj/Localizable.strings b/Source/Resources/Base.lproj/Localizable.strings
index a39e8b80..77feb523 100644
--- a/Source/Resources/Base.lproj/Localizable.strings
+++ b/Source/Resources/Base.lproj/Localizable.strings
@@ -89,6 +89,7 @@
 "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters" = "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters";
 "Auto-convert traditional Chinese glyphs to KangXi characters" = "Auto-convert traditional Chinese glyphs to KangXi characters";
 "Automatically reload user data files if changes detected" = "Automatically reload user data files if changes detected";
+"Balance the score according to candidate length" = "Balance the score according to candidate length";
 "Basic Keyboard Layout:" = "Basic Keyboard Layout:";
 "Candidate Layout:" = "Candidate Layout:";
 "Candidate Size:" = "Candidate Size:";
diff --git a/Source/Resources/en.lproj/Localizable.strings b/Source/Resources/en.lproj/Localizable.strings
index a39e8b80..77feb523 100644
--- a/Source/Resources/en.lproj/Localizable.strings
+++ b/Source/Resources/en.lproj/Localizable.strings
@@ -89,6 +89,7 @@
 "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters" = "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters";
 "Auto-convert traditional Chinese glyphs to KangXi characters" = "Auto-convert traditional Chinese glyphs to KangXi characters";
 "Automatically reload user data files if changes detected" = "Automatically reload user data files if changes detected";
+"Balance the score according to candidate length" = "Balance the score according to candidate length";
 "Basic Keyboard Layout:" = "Basic Keyboard Layout:";
 "Candidate Layout:" = "Candidate Layout:";
 "Candidate Size:" = "Candidate Size:";
diff --git a/Source/Resources/ja.lproj/Localizable.strings b/Source/Resources/ja.lproj/Localizable.strings
index 180e54a4..812521c2 100644
--- a/Source/Resources/ja.lproj/Localizable.strings
+++ b/Source/Resources/ja.lproj/Localizable.strings
@@ -89,6 +89,7 @@
 "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters" = "入力した繁体字を日文 JIS 新字体と自動変換";
 "Auto-convert traditional Chinese glyphs to KangXi characters" = "入力した繁体字を康熙字体と自動変換";
 "Automatically reload user data files if changes detected" = "ユーザー辞書データの変更を自動検出し、自動的に再読込";
+"Balance the score according to candidate length" = "候補文字の長さによる重みの調整";
 "Basic Keyboard Layout:" = "基礎キーボード:";
 "Candidate Layout:" = "入力候補陳列の仕様";
 "Candidate Size:" = "候補文字の字号:";
diff --git a/Source/Resources/zh-Hans.lproj/Localizable.strings b/Source/Resources/zh-Hans.lproj/Localizable.strings
index 5d844616..928d130e 100644
--- a/Source/Resources/zh-Hans.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hans.lproj/Localizable.strings
@@ -89,6 +89,7 @@
 "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters" = "自动将繁体中文字转为日文 JIS 新字体";
 "Auto-convert traditional Chinese glyphs to KangXi characters" = "自动将繁体中文字转为康熙正体字";
 "Automatically reload user data files if changes detected" = "自动检测并载入使用者语汇档案变更";
+"Balance the score according to candidate length" = "按候选字词的长度调整权重";
 "Basic Keyboard Layout:" = "基础键盘布局:";
 "Candidate Layout:" = "候选字窗布局:";
 "Candidate Size:" = "候选字窗字号:";
diff --git a/Source/Resources/zh-Hant.lproj/Localizable.strings b/Source/Resources/zh-Hant.lproj/Localizable.strings
index cd1edbe9..faa80a99 100644
--- a/Source/Resources/zh-Hant.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hant.lproj/Localizable.strings
@@ -89,6 +89,7 @@
 "Auto-convert traditional Chinese glyphs to JIS Shinjitai characters" = "自動將繁體中文字轉為日文 JIS 新字體";
 "Auto-convert traditional Chinese glyphs to KangXi characters" = "自動將繁體中文字轉為康熙正體字";
 "Automatically reload user data files if changes detected" = "自動檢測並載入使用者語彙檔案變更";
+"Balance the score according to candidate length" = "按候選字詞的長度調整權重";
 "Basic Keyboard Layout:" = "基礎鍵盤佈局:";
 "Candidate Layout:" = "候選字窗佈局:";
 "Candidate Size:" = "候選字窗字號:";
diff --git a/Source/UI/PrefUI/suiPrefPaneDictionary.swift b/Source/UI/PrefUI/suiPrefPaneDictionary.swift
index e8376b3e..2f8dd746 100644
--- a/Source/UI/PrefUI/suiPrefPaneDictionary.swift
+++ b/Source/UI/PrefUI/suiPrefPaneDictionary.swift
@@ -35,6 +35,8 @@ struct suiPrefPaneDictionary: View {
   @State private var selEnableCNS11643: Bool = UserDefaults.standard.bool(forKey: UserDef.kCNS11643Enabled)
   @State private var selEnableSymbolInputSupport: Bool = UserDefaults.standard.bool(
     forKey: UserDef.kSymbolInputEnabled)
+  @State private var selUseScoreBalancing: Bool = UserDefaults.standard.bool(
+    forKey: UserDef.kUseScoreBalancing)
   private let contentWidth: Double = {
     switch mgrPrefs.appleLanguages[0] {
       case "ja":
@@ -126,6 +128,13 @@ struct suiPrefPaneDictionary: View {
           mgrPrefs.symbolInputEnabled = value
           mgrLangModel.setSymbolEnabled(value)
         }
+        Toggle(
+          LocalizedStringKey("Balance the score according to candidate length"),
+          isOn: $selUseScoreBalancing
+        )
+        .onChange(of: selUseScoreBalancing) { value in
+          mgrPrefs.useScoreBalancing = value
+        }
       }
     }
   }