diff --git a/Assets/Cryville/Common/Font/FontMatcher.cs b/Assets/Cryville/Common/Font/FontMatcher.cs
index 0ef7b64..0df6b24 100644
--- a/Assets/Cryville/Common/Font/FontMatcher.cs
+++ b/Assets/Cryville/Common/Font/FontMatcher.cs
@@ -12,18 +12,18 @@ namespace Cryville.Common.Font {
 	}
 	public class FallbackListFontMatcher : FontMatcher {
 		readonly LanguageMatching _matcher;
-		static readonly string UltimateFallbackScript = "zyyy";
+		static readonly string UltimateFallbackScript = "zzzz";
 		public Dictionary<string, List<string>> MapScriptToTypefaces = new Dictionary<string, List<string>>();
 		public static Dictionary<string, List<string>> GetDefaultWindowsFallbackMap() {
 			var map = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
 			FillKeysWithScripts(map, () => new List<string>());
 			// Reference: https://github.com/chromium/chromium/blob/main/third_party/blink/renderer/platform/fonts/win/font_fallback_win.cc
-			map["zyyy"].Insert(0, "SimSun"); // Custom
-			map["zyyy"].Insert(0, "SimHei"); // Custom
-			map["zyyy"].Insert(0, "Microsoft YaHei"); // Custom
-			map["zyyy"].Insert(0, "Arial");
-			map["zyyy"].Insert(0, "Times New Roman");
-			map["zyyy"].Insert(0, "Segoe UI"); // Custom
+			map[UltimateFallbackScript].Insert(0, "SimSun"); // Custom
+			map[UltimateFallbackScript].Insert(0, "SimHei"); // Custom
+			map[UltimateFallbackScript].Insert(0, "Microsoft YaHei"); // Custom
+			map[UltimateFallbackScript].Insert(0, "Arial");
+			map[UltimateFallbackScript].Insert(0, "Times New Roman");
+			map[UltimateFallbackScript].Insert(0, "Segoe UI"); // Custom
 			map["arab"].Insert(0, "Tahoma");
 			map["cyrl"].Insert(0, "Times New Roman");
 			map["grek"].Insert(0, "Times New Roman");
@@ -163,10 +163,10 @@ namespace Cryville.Common.Font {
 		public static Dictionary<string, List<string>> GetDefaultAndroidFallbackMap() {
 			var map = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
 			FillKeysWithScripts(map, () => new List<string>());
-			map["zyyy"].Insert(0, "Noto Sans CJK TC"); // TODO Modify default fallback
-			map["zyyy"].Insert(0, "Noto Sans CJK JP");
-			map["zyyy"].Insert(0, "Noto Sans CJK SC");
-			map["zyyy"].Insert(0, "Roboto");
+			map[UltimateFallbackScript].Insert(0, "Noto Sans CJK TC"); // TODO Modify default fallback
+			map[UltimateFallbackScript].Insert(0, "Noto Sans CJK JP");
+			map[UltimateFallbackScript].Insert(0, "Noto Sans CJK SC");
+			map[UltimateFallbackScript].Insert(0, "Roboto");
 			map["zsye"].Insert(0, "Noto Color Emoji");
 			map["zsye"].Add("Noto Color Emoji Flags");
 			map["arab"].Insert(0, "Noto Naskh Arabic");