diff --git a/language/config.h b/language/config.h
new file mode 100644
index 0000000..9bc2d9f
--- /dev/null
+++ b/language/config.h
@@ -0,0 +1,12 @@
+#ifndef LANGUAGE_CONFIG_H
+#define LANGUAGE_CONFIG_H
+
+
+// put your languages here comma separated
+// the first language is default language
+#define LANGUAGES "en"
+// language key in the configuration file
+#define LANGUAGE_KEY "LANGUAGE"
+
+
+#endif /* LANGUAGE_CONFIG_H */
diff --git a/language/language.cpp b/language/language.cpp
index c3699f3..c42eb67 100644
--- a/language/language.cpp
+++ b/language/language.cpp
@@ -21,15 +21,18 @@
 #include <QFile>
 #include <QLocale>
 
+#include "config.h"
+
 
 Language::Language()
 {
 }
 
 
-QString Language::checkLanguage(const QString language, const QString defaultLanguage)
+QString Language::checkLanguage(const QString language)
 {
     QStringList availableLanguages = getAvailableLanguages();
+    if (availableLanguages.count() == 0) return QString();
     for (int i=0; i<availableLanguages.count(); i++)
         if (language == availableLanguages[i])
             return availableLanguages[i];
@@ -37,22 +40,22 @@ QString Language::checkLanguage(const QString language, const QString defaultLan
         if (language.contains(availableLanguages[i] + QChar('_')))
             return availableLanguages[i];
 
-    return defaultLanguage;
+    return availableLanguages[0];
 }
 
 
 QString Language::defineLanguage(const QString configPath, const QString options)
 {
     QMap<QString, QString> optionsDict = parseOptions(options);
-    if (optionsDict.contains(QString("LANGUAGE")))
-        if (getAvailableLanguages().contains(optionsDict[QString("LANGUAGE")]))
-            return optionsDict[QString("LANGUAGE")];
+    if (optionsDict.contains(QString(LANGUAGE_KEY)))
+        if (getAvailableLanguages().contains(optionsDict[QString(LANGUAGE_KEY)]))
+            return optionsDict[QString(LANGUAGE_KEY)];
 
     QString language;
     language = defineLanguageFromFile(configPath);
     if (language.isEmpty())
         language = defineLanguageFromLocale();
-    language = checkLanguage(language, QString("en"));
+    language = checkLanguage(language);
 
     return language;
 }
@@ -78,8 +81,8 @@ QString Language::defineLanguageFromFile(const QString configPath)
     }
     configFile.close();
 
-    if (settings.contains(QString("LANGUAGE")))
-        return settings[QString("LANGUAGE")];
+    if (settings.contains(QString(LANGUAGE_KEY)))
+        return settings[QString(LANGUAGE_KEY)];
     else
         return QString("");
 }
@@ -93,11 +96,7 @@ QString Language::defineLanguageFromLocale()
 
 QStringList Language::getAvailableLanguages()
 {
-    QStringList languages;
-    languages.append(QString("en"));
-    // put your languages here
-
-    return languages;
+    return QString(LANGUAGES).split(QChar(','));
 }
 
 
diff --git a/language/language.h b/language/language.h
index a9876d5..bc906b2 100644
--- a/language/language.h
+++ b/language/language.h
@@ -27,8 +27,7 @@ class Language : public QObject
 
 public:
     explicit Language();
-    static QString checkLanguage(const QString language,
-                                 const QString defaultLanguage = QString("en"));
+    static QString checkLanguage(const QString language);
     static QString defineLanguage(const QString configPath,
                                   const QString options = QString("OPTIONS"));
     static QString defineLanguageFromFile(const QString configPath);