diff --git a/src/commons.py b/src/commons.py
index e4618228..980f395d 100644
--- a/src/commons.py
+++ b/src/commons.py
@@ -2940,7 +2940,7 @@ def to_rgbα(value, α=1, *, collective=False):
         replace_ellipsis(select_particle_id)
     else:
         select_particle_id = {'all': user_params['select_particle_id']}
-select_particle_id.setdefault('default', False)
+select_particle_id.setdefault('default', True)
 user_params['select_particle_id'] = select_particle_id
 class_plot_perturbations = bool(user_params.get('class_plot_perturbations', False))
 user_params['class_plot_perturbations'] = class_plot_perturbations