diff --git a/cabinet/fields.py b/cabinet/fields.py
index 9e65a7e..303d920 100644
--- a/cabinet/fields.py
+++ b/cabinet/fields.py
@@ -5,6 +5,9 @@
 from django.urls import NoReverseMatch, reverse
 from django.utils.text import Truncator
 
+# Import cabinet.models for the settings.CABINET_FILE_MODEL side-effect
+import cabinet.models  # noqa: F401
+
 
 class CabinetFileRawIdWidget(ForeignKeyRawIdWidget):
     template_name = "admin/cabinet/cabinet_file_raw_id_widget.html"