diff --git a/src/gui_qt/graphs/graphwindow.py b/src/gui_qt/graphs/graphwindow.py
index 91fea37..d4339d7 100644
--- a/src/gui_qt/graphs/graphwindow.py
+++ b/src/gui_qt/graphs/graphwindow.py
@@ -26,7 +26,7 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
     mousePositionChanged = QtCore.pyqtSignal(float, float)
     mouseDoubleClicked = QtCore.pyqtSignal()
     positionClicked = QtCore.pyqtSignal(tuple, bool)
-    aboutToClose = QtCore.pyqtSignal(str)
+    aboutToClose = QtCore.pyqtSignal(list)
 
     counter = itertools.count()
 
@@ -375,7 +375,7 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
                                                  QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
 
         if res == QtWidgets.QMessageBox.Yes:
-            self.aboutToClose.emit(self.id)
+            self.aboutToClose.emit([self.id])
             evt.accept()
         else:
             evt.ignore()
diff --git a/src/nmreval/fit/result.py b/src/nmreval/fit/result.py
index dcb0b6d..813a7bb 100644
--- a/src/nmreval/fit/result.py
+++ b/src/nmreval/fit/result.py
@@ -138,8 +138,8 @@ class FitResult(Points):
                  **kwargs):
 
         self.parameter, name = self._prepare_names(params, name)
-
-        super().__init__(x=x, y=y, name=name, **kwargs)
+        label = kwargs.get('label', name)
+        super().__init__(x=x, y=y, name=label, **kwargs)
 
         self.residual = resid
         self.idx = idx
@@ -327,6 +327,7 @@ class FitResult(Points):
             state[attr] = getattr(self, attr)
 
         state['name'] = self._model_name
+        state['label'] = self.name
         state['corr'] = self.correlation
         state['pcorr'] = self.partial_correlation
         state['stats'] = self.statistics
@@ -354,7 +355,6 @@ class FitResult(Points):
 
         return new_fit
 
-
     def sub(self, x_values):
         part_functions = []
         for sub_name, sub_y in zip(self.func.sub_name(), self.func.sub(self.p_final, x_values, **self.fun_kwargs)):