diff --git a/src/gui/qt-daemon/application/mainwindow.cpp b/src/gui/qt-daemon/application/mainwindow.cpp
index 80777b98..78a1ac0d 100644
--- a/src/gui/qt-daemon/application/mainwindow.cpp
+++ b/src/gui/qt-daemon/application/mainwindow.cpp
@@ -941,9 +941,12 @@ QString MainWindow::set_localization_strings(const QString param)
   else
   {
     m_localization = lr.strings;
-    m_quit_action->setText(QString().fromUtf8(m_localization[localization_id_quit].c_str()));
-    m_restore_action->setText(QString().fromUtf8(m_localization[localization_id_tray_menu_show].c_str()));
-    m_minimize_action->setText(QString().fromUtf8(m_localization[localization_id_tray_menu_minimize].c_str()));
+    if(m_quit_action)
+      m_quit_action->setText(QString::fromStdString(m_localization[localization_id_quit]));
+    if(m_restore_action)
+      m_restore_action->setText(QString::fromStdString(m_localization[localization_id_tray_menu_show]));
+    if(m_minimize_action)
+      m_minimize_action->setText(QString::fromStdString(m_localization[localization_id_tray_menu_minimize]));
     resp.error_code = API_RETURN_CODE_OK;
     LOG_PRINT_L0("New localization set, language title: " << lr.language_title << ", strings " << lr.strings.size());
   }