diff --git a/src/gui_qt/fit/fitwindow.py b/src/gui_qt/fit/fitwindow.py
index a5a4fd0..6700493 100644
--- a/src/gui_qt/fit/fitwindow.py
+++ b/src/gui_qt/fit/fitwindow.py
@@ -219,8 +219,14 @@ class QFitDialog(QtWidgets.QWidget, Ui_FitDialog):
         if len(self.models) == 1:
             self.model_frame.hide()
 
-    def _prepare(self, model: list, function_use: list = None,
-                 parameter: dict = None, add_idx: bool = False, cnt: int = 0) -> tuple[dict, int]:
+    def _prepare(
+            self,
+            model: list,
+            function_use: list = None,
+            parameter: dict = None,
+            add_idx: bool = False,
+            cnt: int = 0,
+    ) -> tuple[dict, int]:
 
         if parameter is None:
             parameter = {
@@ -263,7 +269,7 @@ class QFitDialog(QtWidgets.QWidget, Ui_FitDialog):
 
             if f['children']:
                 # recurse for children
-                _, cnt = self._prepare(f['children'], parameter=parameter, add_idx=add_idx, cnt=cnt)
+                _, cnt = self._prepare(f['children'], parameter=parameter, function_use=function_use, add_idx=add_idx, cnt=cnt)
 
         return parameter, cnt
 
@@ -495,7 +501,7 @@ class QFitDialog(QtWidgets.QWidget, Ui_FitDialog):
             if model_p['active']:
                 cnt += self.param_widgets[model_p['cnt']].set_parameter(fit_id, param[cnt:])
                 if model_p['children']:
-                    cnt += self.set_parameter_iter(fit_id, param, model_p['children'], cnt=cnt)
+                    cnt = self.set_parameter_iter(fit_id, param, model_p['children'], cnt=cnt)
 
         return cnt
 
diff --git a/src/gui_qt/main/mainwindow.py b/src/gui_qt/main/mainwindow.py
index 6558524..713eb75 100644
--- a/src/gui_qt/main/mainwindow.py
+++ b/src/gui_qt/main/mainwindow.py
@@ -12,7 +12,7 @@ from nmreval.lib.logger import logger
 from nmreval.io.sessionwriter import NMRWriter
 
 from .management import UpperManagement
-from ..lib.logger import ConsoleDock, QTextHandler
+from ..lib.logger import QTextHandler
 from ..Qt import QtGui, QtPrintSupport
 from ..data.shift_graphs import QShift
 from ..data.signaledit import QPreviewDialog, QBaselineDialog