diff --git a/CMake/Assets.cmake b/CMake/Assets.cmake
index d674ff5d5..363b61e50 100644
--- a/CMake/Assets.cmake
+++ b/CMake/Assets.cmake
@@ -2,7 +2,7 @@ if(NOT DEFINED DEVILUTIONX_ASSETS_OUTPUT_DIRECTORY)
   set(DEVILUTIONX_ASSETS_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/assets")
 endif()
 
-set(devilutionx_langs bg cs da de es fr hr it ja ko_KR pl pt_BR ro_RO ru uk sv zh_CN zh_TW)
+set(devilutionx_langs bg cs da de es fr hr it ja ko pl pt_BR ro ru uk sv zh_CN zh_TW)
 if(USE_GETTEXT_FROM_VCPKG)
   # vcpkg doesn't add its own tools directory to the search path
   list(APPEND Gettext_ROOT ${CMAKE_CURRENT_BINARY_DIR}/vcpkg_installed/${VCPKG_TARGET_TRIPLET}/tools/gettext/bin)
diff --git a/Source/options.cpp b/Source/options.cpp
index c4e87ec67..9f29120d8 100644
--- a/Source/options.cpp
+++ b/Source/options.cpp
@@ -976,12 +976,12 @@ void OptionEntryLanguageCode::CheckLanguagesAreInitialized() const
 
 	if (font_mpq) {
 		languages.emplace_back("ja", "日本語");
-		languages.emplace_back("ko_KR", "한국어");
+		languages.emplace_back("ko", "한국어");
 	}
 
 	languages.emplace_back("pl", "Polski");
 	languages.emplace_back("pt_BR", "Português do Brasil");
-	languages.emplace_back("ro_RO", "Română");
+	languages.emplace_back("ro", "Română");
 	languages.emplace_back("ru", "Русский");
 	languages.emplace_back("sv", "Svenska");
 	languages.emplace_back("uk", "Українська");
diff --git a/Source/platform/ctr/locale.cpp b/Source/platform/ctr/locale.cpp
index 94e6cd047..d0d1e9956 100644
--- a/Source/platform/ctr/locale.cpp
+++ b/Source/platform/ctr/locale.cpp
@@ -34,7 +34,7 @@ std::string GetLocale()
 	case CFG_LANGUAGE_ZH:
 		return "zh_CN";
 	case CFG_LANGUAGE_KO:
-		return "ko_KR";
+		return "ko";
 	case CFG_LANGUAGE_NL:
 		return "nl";
 	case CFG_LANGUAGE_PT:
diff --git a/Source/utils/language.cpp b/Source/utils/language.cpp
index 888384fcc..c604dbd93 100644
--- a/Source/utils/language.cpp
+++ b/Source/utils/language.cpp
@@ -94,7 +94,7 @@ void SetPluralForm(char *string)
 	expression = StrTrimRight(expression);
 	expression = StrTrimLeft(expression);
 
-	// ko_KR, zh_CN, zh_TW
+	// ko, zh_CN, zh_TW
 	if (strcmp(expression, "0") == 0) {
 		GetLocalPluralId = [](int /*n*/) -> int { return 0; };
 		return;
diff --git a/Translations/ko_KR.po b/Translations/ko.po
similarity index 99%
rename from Translations/ko_KR.po
rename to Translations/ko.po
index ef1737fda..17918b437 100644
--- a/Translations/ko_KR.po
+++ b/Translations/ko.po
@@ -5,7 +5,7 @@ msgstr ""
 "PO-Revision-Date: \n"
 "Last-Translator: NSM53PROJECT <nsm53project@gmail.com>\n"
 "Language-Team: \n"
-"Language: ko_KR\n"
+"Language: ko\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/Translations/ro_RO.po b/Translations/ro.po
similarity index 99%
rename from Translations/ro_RO.po
rename to Translations/ro.po
index 2594d0a57..861679ee8 100644
--- a/Translations/ro_RO.po
+++ b/Translations/ro.po
@@ -5,7 +5,7 @@ msgstr ""
 "PO-Revision-Date: \n"
 "Last-Translator: \n"
 "Language-Team: \n"
-"Language: ro_RO\n"
+"Language: ro\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"