diff --git a/aitrainer_backoffice/aitrainer_backoffice/admin/exercise_type.py b/aitrainer_backoffice/aitrainer_backoffice/admin/exercise_type.py
index 1af05c2..9704984 100644
--- a/aitrainer_backoffice/aitrainer_backoffice/admin/exercise_type.py
+++ b/aitrainer_backoffice/aitrainer_backoffice/admin/exercise_type.py
@@ -50,7 +50,7 @@ class ExerciseTypeAdmin(admin.ModelAdmin):
     list_display = ('exercise_type_id', 'name_colored', 'active', 'base', 'buddy_warning', 'is_description', 'is_desc_hu', 'alternatives')
     search_fields = ['name', 'exercisetypetranslation__name']
     fields = ('name', 'description', 'unit', 'unit_quantity', 'unit_quantity_unit', 'active', 'base', 'buddy_warning')
-    list_filter = ('active','base', 'buddy_warning')
+    list_filter = ('active','base', 'buddy_warning', 'exercisetypeparents__exercise_tree')
     actions = ('clone',)
 
     @admin.action(description=_('Clone exercise type'))