diff --git a/mezzanine/core/admin.py b/mezzanine/core/admin.py
index 931a7584c2..68c6a69a37 100644
--- a/mezzanine/core/admin.py
+++ b/mezzanine/core/admin.py
@@ -426,7 +426,7 @@ def save_model(self, request, obj, form, change):
         super(SitePermissionUserAdmin, self).save_model(request, obj, form, change)
         user = self.model.objects.get(id=obj.id)
         has_perms = len(user.get_all_permissions()) > 0
-        has_sites = SitePermission.objects.filter(user=user).count() > 0
+        has_sites = SitePermission.objects.filter(user=user).exists()
         if (
             user.is_active
             and user.is_staff