diff --git a/src/ralph/assets/admin.py b/src/ralph/assets/admin.py
index d364bd9df5..03d53e7025 100644
--- a/src/ralph/assets/admin.py
+++ b/src/ralph/assets/admin.py
@@ -295,6 +295,7 @@ def assets_count(self, instance):
 class CategoryAdmin(RalphMPTTAdmin):
     search_fields = ["name"]
     list_display = ["name", "code"]
+    list_filter = ["parent"]
     resource_classes = [resources.CategoryResource]
 
     def get_actions(self, request):