diff --git a/src/localize/localize.cpp b/src/localize/localize.cpp
index cae020eb..eee84ab1 100644
--- a/src/localize/localize.cpp
+++ b/src/localize/localize.cpp
@@ -32,13 +32,7 @@ bool Localize_LoadLocalizationFileLists(CLocalize* thisptr)
 
 bool Localize_IsLanguageSupported(const char* pLocaleName)
 {
-	for (int i = 0; i < SDK_ARRAYSIZE(g_LanguageNames); ++i)
-	{
-		if (strcmp(pLocaleName, g_LanguageNames[i]) == NULL)
-			return true;
-	}
-
-	return false;
+	return V_LocaleNameExists(pLocaleName);
 }
 
 void VLocalize::Detour(const bool bAttach) const
diff --git a/src/public/localize/ilocalize.h b/src/public/localize/ilocalize.h
index a696c69a..89f660fb 100644
--- a/src/public/localize/ilocalize.h
+++ b/src/public/localize/ilocalize.h
@@ -65,6 +65,7 @@ inline const char* const g_LanguageNames[] = {
 	"italian",
 	"korean",
 	"spanish",
+	"mspanish",
 	"schinese",
 	"tchinese",
 	"russian",
@@ -73,11 +74,40 @@ inline const char* const g_LanguageNames[] = {
 	"polish",
 };
 
-inline bool V_LocaleExists(const char* const pLocale)
+inline const char* const g_LanguageCodes[] = {
+	"en_US",
+	"de_DE",
+	"fr_FR",
+	"it_IT",
+	"ko_KR",
+	"es_ES",
+	"es_MX",
+	"zh_CN",
+	"zh_TW",
+	"ru_RU",
+	"ja_JP",
+	"pt_BR",
+	"pl_PL",
+};
+
+inline bool V_LocaleNameExists(const char* const localeName)
 {
 	for (size_t i = 0; i < V_ARRAYSIZE(g_LanguageNames); i++)
 	{
-		if (V_strcmp(pLocale, g_LanguageNames[i]) == NULL)
+		if (V_strcmp(localeName, g_LanguageNames[i]) == NULL)
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
+inline bool V_LocaleCodeExists(const char* const localeCode)
+{
+	for (size_t i = 0; i < V_ARRAYSIZE(g_LanguageCodes); i++)
+	{
+		if (V_strcmp(localeCode, g_LanguageCodes[i]) == NULL)
 		{
 			return true;
 		}
diff --git a/src/vpklib/packedstore.cpp b/src/vpklib/packedstore.cpp
index cbe48e3b..0b86d005 100644
--- a/src/vpklib/packedstore.cpp
+++ b/src/vpklib/packedstore.cpp
@@ -799,7 +799,7 @@ VPKChunkDescriptor_t::VPKChunkDescriptor_t(uint32_t nLoadFlags, uint16_t nTextur
 //-----------------------------------------------------------------------------
 VPKPair_t::VPKPair_t(const char* pLocale, const char* pTarget, const char* pLevel, int nPatch)
 {
-	const bool bFoundLocale = V_LocaleExists(pLocale);
+	const bool bFoundLocale = V_LocaleNameExists(pLocale);
 
 	if (!bFoundLocale)
 	{