diff --git a/common/text-to-speech.cpp b/common/text-to-speech.cpp
index a32e4b66c35..6967d9f4d03 100644
--- a/common/text-to-speech.cpp
+++ b/common/text-to-speech.cpp
@@ -144,8 +144,6 @@ Array<int> TextToSpeechManager::getVoiceIndicesByGender(TTSVoice::Gender gender)
 }
 
 void TextToSpeechManager::setLanguage(Common::String language) {
-	if (language == "C")
-		language = "en";
 	// The speech manager uses the ISO 639-1 for language codes (2 letter code)
 	// if we get a longer language string, just take the first 2 letters from that
 	// if it won't be a valid language code, the Manager just won't find any voice
diff --git a/common/translation.cpp b/common/translation.cpp
index 3c5cc5f28ea..423dd94318d 100644
--- a/common/translation.cpp
+++ b/common/translation.cpp
@@ -172,7 +172,7 @@ String TranslationManager::getCurrentCharset() const {
 
 String TranslationManager::getCurrentLanguage() const {
 	if (_currentLang == -1)
-		return "C";
+		return "en";
 	return _langs[_currentLang];
 }
 
@@ -211,7 +211,7 @@ String TranslationManager::getLangById(int id) const {
 	case kTranslationAutodetectId:
 		return "";
 	case kTranslationBuiltinId:
-		return "C";
+		return "en";
 	default:
 		if (id >= 0 && id - 1 < (int)_langs.size())
 			return _langs[id - 1];
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index 9df06b6932e..c797eca4654 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -527,7 +527,7 @@ bool ThemeEngine::addFont(TextData textId, const Common::String &language, const
 #ifdef USE_TRANSLATION
 		Common::String cl = TransMan.getCurrentLanguage();
 #else
-		Common::String cl("C");
+		Common::String cl("en");
 #endif
 		if (!cl.matchString(language, true))
 			return true;	// Skip
@@ -562,7 +562,7 @@ bool ThemeEngine::addFont(TextData textId, const Common::String &language, const
 			if (!_texts[textId]->_fontPtr) {
 				error("Couldn't load font '%s'/'%s'", file.c_str(), scalableFile.c_str());
 #ifdef USE_TRANSLATION
-				TransMan.setLanguage("C");
+				TransMan.setLanguage("en");
 				Common::TextToSpeechManager *ttsMan;
 				if ((ttsMan = g_system->getTextToSpeechManager()) != nullptr)
 					ttsMan->setLanguage("en");
@@ -578,7 +578,7 @@ bool ThemeEngine::addFont(TextData textId, const Common::String &language, const
 			// However, still returns false here, probably to avoid ugly / garbage glyphs side-effects
 			// FIXME If we return false anyway why would we attempt the fall-back in the first place?
 #ifdef USE_TRANSLATION
-			TransMan.setLanguage("C");
+			TransMan.setLanguage("en");
 			Common::TextToSpeechManager *ttsMan;
 			if ((ttsMan = g_system->getTextToSpeechManager()) != nullptr)
 				ttsMan->setLanguage("en");
diff --git a/gui/gui-manager.cpp b/gui/gui-manager.cpp
index 42bac4e6313..a518f83ea3b 100644
--- a/gui/gui-manager.cpp
+++ b/gui/gui-manager.cpp
@@ -759,8 +759,6 @@ void GuiManager::initTextToSpeech() {
 		return;
 #ifdef USE_TRANSLATION
 	Common::String currentLanguage = TransMan.getCurrentLanguage();
-	if (currentLanguage == "C")
-		currentLanguage = "en";
 	ttsMan->setLanguage(currentLanguage);
 #endif
 	int volume = (ConfMan.getInt("speech_volume", "scummvm") * 100) / 256;
diff --git a/gui/options.cpp b/gui/options.cpp
index 1d35d89a72c..27c3a2fa068 100644
--- a/gui/options.cpp
+++ b/gui/options.cpp
@@ -2644,11 +2644,7 @@ void GlobalOptionsDialog::apply() {
 	if (ttsMan) {
 #ifdef USE_TRANSLATION
 		if (newLang != oldLang) {
-			if (newLang == "C")
-				ttsMan->setLanguage("en");
-			else {
-				ttsMan->setLanguage(newLang);
-			}
+			ttsMan->setLanguage(newLang);
 			_ttsVoiceSelectionPopUp->setSelected(0);
 		}
 #else