diff --git a/GdeiAssistant-iOS/Core/Config/AppLanguage.swift b/GdeiAssistant-iOS/Core/Config/AppLanguage.swift
index bca1d43..d455a8e 100644
--- a/GdeiAssistant-iOS/Core/Config/AppLanguage.swift
+++ b/GdeiAssistant-iOS/Core/Config/AppLanguage.swift
@@ -88,7 +88,7 @@ enum AppLanguage: String, CaseIterable, Identifiable {
         switch lowercaseIdentifier {
         case "zh-cn", "zh-hans", "zh-hans-cn", "zh":
             return .simplifiedChinese
-        case "zh-hk", "zh-hant-hk":
+        case "zh-hk", "zh-mo", "zh-hant-hk", "zh-hant-mo":
             return .traditionalChineseHongKong
         case "zh-tw", "zh-hant", "zh-hant-tw":
             return .traditionalChineseTaiwan
@@ -97,7 +97,7 @@ enum AppLanguage: String, CaseIterable, Identifiable {
         }
 
         if segments.first == "zh" {
-            if segments.contains("hk") {
+            if segments.contains("hk") || segments.contains("mo") {
                 return .traditionalChineseHongKong
             }
 
diff --git a/GdeiAssistant-iOSTests/Localization/AppLanguageTests.swift b/GdeiAssistant-iOSTests/Localization/AppLanguageTests.swift
index 586a22d..2674e83 100644
--- a/GdeiAssistant-iOSTests/Localization/AppLanguageTests.swift
+++ b/GdeiAssistant-iOSTests/Localization/AppLanguageTests.swift
@@ -23,7 +23,8 @@ final class AppLanguageTests: XCTestCase {
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-Hans-SG"), "zh-CN")
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-Hant-HK"), "zh-HK")
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-Hant-TW"), "zh-TW")
-        XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-Hant-MO"), "zh-TW")
+        XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-Hant-MO"), "zh-HK")
+        XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "zh-MO"), "zh-HK")
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "en-US"), "en")
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "ja-JP"), "ja")
         XCTAssertEqual(AppLanguage.normalizedIdentifier(from: "ko-KR"), "ko")