--- a/avidemux/qt4/ADM_userInterfaces/translator.cpp

+++ b/avidemux/qt4/ADM_userInterfaces/translator.cpp

@@ -4,6 +4,8 @@

 #include <QtCore/QTranslator>

 #include <QApplication>

 #include <QtCore/QString>

+#include <QtCore/QDir>

+#include <QtCore/QLibraryInfo>

 #include "ADM_default.h"

 #include "ADM_inttype.h"

 #include "ADM_files.h"

@@ -101,9 +103,9 @@ void loadTranslator(void)

     qtTranslator=new QTranslator();

     avidemuxTranslator=new QTranslator();

 #if QT_VERSION < QT_VERSION_CHECK(5,0,0)

-    nbLoaded+=loadTranslation(qtTranslator, appdir + "qt_" + languageFile);

+    nbLoaded+=loadTranslation(qtTranslator, QLibraryInfo::location(QLibraryInfo::TranslationsPath) + QDir::separator() + "qt_" + languageFile);

 #else

-    nbLoaded+=loadTranslation(qtTranslator, appdir + "qtbase_" + languageFile);

+    nbLoaded+=loadTranslation(qtTranslator, QLibraryInfo::location(QLibraryInfo::TranslationsPath) + QDir::separator() + "qtbase_" + languageFile);

 #endif

     nbLoaded+=loadTranslation(avidemuxTranslator, appdir + "avidemux_" + languageFile);

     translatorLoaded = true;