diff --git a/odmantic/model.py b/odmantic/model.py
index b3b966fd..c8dc3f78 100644
--- a/odmantic/model.py
+++ b/odmantic/model.py
@@ -35,12 +35,7 @@
 from pydantic.main import BaseModel
 from pydantic_core import InitErrorDetails
 
-from odmantic.bson import (
-    _BSON_SUBSTITUTED_FIELDS,
-    BaseBSONModel,
-    ObjectId,
-    _decimalDecimal,
-)
+from odmantic.bson import _BSON_SUBSTITUTED_FIELDS, BaseBSONModel, ObjectId
 from odmantic.config import ODMConfigDict, validate_config
 from odmantic.exceptions import (
     DocumentParsingError,
@@ -131,7 +126,7 @@ def find_duplicate_key(fields: Iterable[ODMBaseField]) -> Optional[str]:
     pydantic.BaseModel,
     bson.ObjectId,
     bson.Decimal128,
-    _decimalDecimal,
+    decimal.Decimal,
 )