diff --git a/pt2d/gui/advancedSettingsWidget.py b/pt2d/gui/advancedSettingsWidget.py
index 0e4b7f06815ceae018067f2930c130b69c02cc3f..4adc855a519a640286051a5b95a3a32678ad8045 100644
--- a/pt2d/gui/advancedSettingsWidget.py
+++ b/pt2d/gui/advancedSettingsWidget.py
@@ -40,7 +40,7 @@ class AdvancedSettingsWidget(QWidget):
         controls_layout.addWidget(self.btn_circle_editor, 0, 1)
 
         # Line smoothing slider + label
-        self._lab_smoothing = QLabel("Line smoothing (3)")
+        self._lab_smoothing = QLabel("Line smoothing (22)")
         controls_layout.addWidget(self._lab_smoothing, 1, 0)
         self.line_smoothing_slider = QSlider(Qt.Horizontal)
         self.line_smoothing_slider.setRange(3, 51)
diff --git a/pt2d/gui/imageGraphicsView.py b/pt2d/gui/imageGraphicsView.py
index 6699ac4550d36485ccde3b148180266bb952328f..8bd027de7a022b88a866692c2ebef839f761fe06 100644
--- a/pt2d/gui/imageGraphicsView.py
+++ b/pt2d/gui/imageGraphicsView.py
@@ -54,7 +54,7 @@ class ImageGraphicsView(PanZoomGraphicsView):
         self._rainbow_enabled = False
 
         # Smoothing parameters
-        self._savgol_window_length = 7
+        self._savgol_window_length = 22
 
     def set_rainbow_enabled(self, enabled: bool):
         """Enable rainbow coloring of the path."""