diff --git a/picard/ui/options/releases.py b/picard/ui/options/releases.py
index f00f94607..94d34d96d 100644
--- a/picard/ui/options/releases.py
+++ b/picard/ui/options/releases.py
@@ -64,8 +64,8 @@ class TipSlider(ClickableSlider):
     _minimum = 0
     _maximum = 100
 
-    def __init__(self, *args):
-        super().__init__(*args)
+    def __init__(self, parent=None):
+        super().__init__(parent=parent)
 
         self.style = QtWidgets.QApplication.style()
         self.opt = QtWidgets.QStyleOptionSlider()
@@ -117,7 +117,7 @@ class ReleaseTypeScore:
         self.label = QtWidgets.QLabel(self.group)
         self.label.setText(label)
         self.layout.addWidget(self.label, row, column, 1, 1)
-        self.slider = TipSlider(self.group)
+        self.slider = TipSlider(parent=self.group)
         self.layout.addWidget(self.slider, row, column + 1, 1, 1)
         self.reset()
 
diff --git a/picard/ui/playertoolbar.py b/picard/ui/playertoolbar.py
index b8fc9edba..d0aea0cba 100644
--- a/picard/ui/playertoolbar.py
+++ b/picard/ui/playertoolbar.py
@@ -306,7 +306,7 @@ class PlaybackProgressSlider(QtWidgets.QWidget):
 
         tool_font = QtWidgets.QApplication.font('QToolButton')
 
-        self.progress_slider = ClickableSlider(self)
+        self.progress_slider = ClickableSlider(parent=self)
         self.progress_slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
         self.progress_slider.setEnabled(False)
         self.progress_slider.setMinimumWidth(30)
diff --git a/picard/ui/widgets/__init__.py b/picard/ui/widgets/__init__.py
index 68d38a6f3..e1997e3d0 100644
--- a/picard/ui/widgets/__init__.py
+++ b/picard/ui/widgets/__init__.py
@@ -162,7 +162,7 @@ class SliderPopover(Popover):
         self.label.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
         vbox.addWidget(self.label)
 
-        self.slider = ClickableSlider(self)
+        self.slider = ClickableSlider(parent=self)
         self.slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
         self.slider.setValue(int(value))
         self.slider.valueChanged.connect(self.value_changed)