--- a/aqt/__init__.py
+++ b/aqt/__init__.py
@@ -107,7 +107,7 @@ def setupLang(pm, app, force=None):
         app.setLayoutDirection(Qt.LeftToRight)
     # qt
     _qtrans = QTranslator()
-    if _qtrans.load("qt_" + lang, dir):
+    if _qtrans.load("qt_" + lang, "/usr/share/qt5/translations"):
         app.installTranslator(_qtrans)
 
 # App initialisation