diff --git a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
index f305c7395..5fedf1426 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
@@ -413,7 +413,6 @@ QString CConfigFile::getOldInstallationDirectory()
 
 QString CConfigFile::getOldInstallationLanguage()
 {
-	// HKEY_CURRENT_USER/SOFTWARE/Nevrax/RyzomInstall/InstallId=1917716796 (string)
 #if defined(Q_OS_WIN)
 	// NSIS previous official installer
 #ifdef Q_OS_WIN64
@@ -426,23 +425,21 @@ QString CConfigFile::getOldInstallationLanguage()
 	if (settings.contains("Language"))
 	{
 		QString languageCode = settings.value("Language").toString();
-		// 1036 = French
-		return "";
-	}
 
-	return "en";
-#elif defined(Q_OS_MAC)
-	return "/Applications/Ryzom.app";
-#else
-	return QStandardPaths::writableLocation(QStandardPaths::HomeLocation) + "/.ryzom";
+		// 1036 = French (France), 1033 = English (USA), 1031 = German
+		if (languageCode == "1036") return "fr";
+		if (languageCode == "1031") return "de";
+		if (languageCode == "1033") return "en";
+	}
 #endif
+
+	return "";
 }
 
 QString CConfigFile::getNewInstallationLanguage()
 {
-	// HKEY_CURRENT_USER/SOFTWARE/Nevrax/RyzomInstall/InstallId=1917716796 (string)
 #if defined(Q_OS_WIN)
-	// NSIS previous official installer
+	// NSIS new official installer
 #ifdef Q_OS_WIN64
 	// use WOW6432Node in 64 bits (64 bits OS and 64 bits Installer) because Ryzom old installer was in 32 bits
 	QSettings settings("HKEY_LOCAL_MACHINE\\Software\\WOW6432Node\\Nevrax\\Ryzom", QSettings::NativeFormat);
@@ -454,14 +451,9 @@ QString CConfigFile::getNewInstallationLanguage()
 	{
 		return QDir::fromNativeSeparators(settings.value("Ryzom Install Path").toString());
 	}
-
-	// check default directory if registry key not found
-	return CConfigFile::has64bitsOS() ? "C:/Program Files (x86)/Ryzom" : "C:/Program Files/Ryzom";
-#elif defined(Q_OS_MAC)
-	return "/Applications/Ryzom.app";
-#else
-	return QStandardPaths::writableLocation(QStandardPaths::HomeLocation) + "/.ryzom";
 #endif
+
+	return "";
 }
 
 QString CConfigFile::getNewInstallationDirectory()