diff --git a/src/wagtail_personalisation/models.py b/src/wagtail_personalisation/models.py
index 9fe600c..f69581b 100644
--- a/src/wagtail_personalisation/models.py
+++ b/src/wagtail_personalisation/models.py
@@ -1,4 +1,5 @@
 from __future__ import absolute_import, unicode_literals
+import itertools
 
 from django.db import models, transaction
 from django.template.defaultfilters import slugify
@@ -80,11 +81,10 @@ class Segment(ClusterableModel):
 
     def get_rules(self):
         """Retrieve all rules in the segment."""
-        segment_rules = []
-        for rule_model in AbstractBaseRule.get_descendant_models():
-            segment_rules.extend(
-                rule_model._default_manager.filter(segment=self))
-        return segment_rules
+        related_rules = [rule.objects.filter(segment=self)
+                         for rule in AbstractBaseRule.__subclasses__()]
+
+        return list(itertools.chain(*related_rules))
 
     def toggle(self, save=True):
         self.status = (
diff --git a/src/wagtail_personalisation/views.py b/src/wagtail_personalisation/views.py
index 22cff43..7b2289f 100644
--- a/src/wagtail_personalisation/views.py
+++ b/src/wagtail_personalisation/views.py
@@ -39,7 +39,7 @@ class SegmentModelAdmin(ModelAdmin):
     dashboard_view_class = SegmentModelDashboardView
     menu_icon = 'fa-snowflake-o'
     add_to_settings_menu = False
-    list_display = ('name', 'visits', 'active_days', 'status')
+    list_display = ('name', 'persistent', 'match_any', 'status', 'statistics')
     index_view_extra_js = ['js/commons.js', 'js/index.js']
     index_view_extra_css = ['css/index.css']
     form_view_extra_js = ['js/commons.js', 'js/form.js']
@@ -55,11 +55,9 @@ class SegmentModelAdmin(ModelAdmin):
 
         return view_class.as_view(**kwargs)(request)
 
-    def visits(self, obj):
-        return _("{visits} visits").format(visits=obj.visit_count)
-
-    def active_days(self, obj):
-        return _("{days} days").format(days=obj.get_active_days())
+    def statistics(self, obj):
+        return _("{visits} visits in {days} days").format(
+            visits=obj.visit_count, days=obj.get_active_days())
 
 
 def toggle_segment_view(request):