diff --git a/View/mainwindow.py b/View/mainwindow.py
index 988ae5e..278191f 100644
--- a/View/mainwindow.py
+++ b/View/mainwindow.py
@@ -300,7 +300,7 @@ class Ui_MainWindow(object):
 
     def retranslateUi(self, MainWindow):
         _translate = QtCore.QCoreApplication.translate
-        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
+        MainWindow.setWindowTitle(_translate("MainWindow", "AcouSed - unsaved file"))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab1), _translate("MainWindow", "Acoustic data"))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab2), _translate("MainWindow", "Signal preprocessing"))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab3), _translate("MainWindow", "Sample data"))