Custom Seekbar preference thumb bug

I create a custom SeekBar Preference for my app. And I see it has a bug with thumb when clicking on preference. See picture below:

Seekbar thumb bug

    <SeekBar android:id="@+id/seekbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@android:id/summary"
        android:layout_toEndOf="@android:id/widget_frame"
        android:layout_alignParentEnd="true" />