diff --git a/aleksis/apps/chronos/models.py b/aleksis/apps/chronos/models.py
index b2a35a90ef1911220ea6a86a6021919d08251c64..55c5f7c403f98638832fc99b4c1f75b64354c7b3 100644
--- a/aleksis/apps/chronos/models.py
+++ b/aleksis/apps/chronos/models.py
@@ -8,6 +8,7 @@ from django.core import validators
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import F, Max, Min, Q
+from django.db.models.aggregates import Count
 from django.db.models.functions import Coalesce
 from django.forms import Media
 from django.http.request import QueryDict