diff --git a/app/api/routers/users.py b/app/api/routers/users.py
index cb2267b..b58a3a5 100644
--- a/app/api/routers/users.py
+++ b/app/api/routers/users.py
@@ -222,7 +222,7 @@ def _reassign_user_references(db: Session, old_id: int, new_id: int) -> None:
     project memberships)."""
     from app.models.apikey import APIKey
     from app.models.notification import Notification
-    from app.models.activity import Activity
+    from app.models.activity import ActivityLog as Activity
     from app.models.worklog import WorkLog as WorkLogModel
     from app.models.meeting import Meeting, MeetingParticipant
     from app.models.task import Task