diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index c92f54a..e56f7b5 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -3568,7 +3568,7 @@ class ObjectCalibrationDialog(wx.Dialog):
             if self.pedal_connection is not None:
                 self.pedal_connection.add_callback('fiducial', set_fiducial_callback)
         else:
-            set_fiducial_callback()
+            set_fiducial_callback(True)
 
     def SetObjectFiducial(self, fiducial_index):
         coord, coord_raw = self.tracker.GetTrackerCoordinates(
diff --git a/invesalius/gui/task_navigator.py b/invesalius/gui/task_navigator.py
index ff3024b..bbfd0e9 100644
--- a/invesalius/gui/task_navigator.py
+++ b/invesalius/gui/task_navigator.py
@@ -699,7 +699,7 @@ class NeuronavigationPanel(wx.Panel):
             if self.pedal_connection is not None:
                 self.pedal_connection.add_callback('fiducial', set_fiducial_callback)
         else:
-            set_fiducial_callback()
+            set_fiducial_callback(True)
 
     def OnStopNavigation(self):
         select_tracker_elem = self.select_tracker_elem
--
libgit2 0.21.2