diff --git a/src/gui_qt/main/mainwindow.py b/src/gui_qt/main/mainwindow.py
index b02d79e..10420ca 100644
--- a/src/gui_qt/main/mainwindow.py
+++ b/src/gui_qt/main/mainwindow.py
@@ -80,6 +80,11 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
         self.__timer.start(3*60*1000)  # every three minutese
         self.__timer.timeout.connect(self._autosave)
 
+        self.fit_timer = QtCore.QTimer()
+        self.fit_timer.setInterval(500)
+        self.fit_timer.timeout.connect(
+            lambda: self.status.setText(f'Fit running... ({self.management.fitter.step} evaluations)'))
+
     def _init_gui(self):
         self.setupUi(self)
         make_action_icons(self)
@@ -887,10 +892,7 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
         self.fit_dialog.fit_button.setEnabled(False)
         self.management.start_fit(parameter, links, fit_options)
         self.status.setText('Fit running...'.format(self.management.fitter.step))
-        tim = QtCore.QTimer()
-        tim.setInterval(500)
-        tim.timeout.connect(lambda: self.status.setText(f'Fit running... ({self.management.fitter.step} evaluations)'))
-        tim.start(500)
+        self.fit_timer.start(500)
 
     @QtCore.pyqtSlot(dict, int, bool)
     def show_fit_preview(self, funcs: dict, num: int, show: bool):
@@ -914,6 +916,7 @@ class NMRMainWindow(QtWidgets.QMainWindow, Ui_BaseWindow):
     @QtCore.pyqtSlot(list)
     def show_fit_results(self, results: list):
         self.fit_dialog.fit_button.setEnabled(True)
+        self.fit_timer.stop()
         self.status.setText('')
         if results:
             res_dialog = QFitResult(results, self.management, parent=self)