diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a9d33f..4734da2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Automatically convert 'id' references in mongo queries to '_id' ObjectId equivalents
 
+### Fixed
+
+- Fixed 'AttributeError: 'FieldInfo' object has no attribute 'disable_on_mongo' when field is declared without `Field()` function
+
 ## [0.1.5] - 2025-02-18
 
 ### Added
diff --git a/examples/todos/schemas.py b/examples/todos/schemas.py
index fad5c2c..3fa0d3c 100644
--- a/examples/todos/schemas.py
+++ b/examples/todos/schemas.py
@@ -9,6 +9,7 @@ class TodoList(BaseModel):
     """A list of Todos"""
 
     name: str = Field(index=True, full_text_search=True)
+    description: str | None = None
     todos: list["Todo"] = Relationship(back_populates="parent", default=[])
 
 
diff --git a/examples/todos/test_main.py b/examples/todos/test_main.py
index a92f016..a9fdd32 100644
--- a/examples/todos/test_main.py
+++ b/examples/todos/test_main.py
@@ -29,6 +29,7 @@ async def test_create_sql_todolist(
         expected = {
             "id": todolist_id,
             "name": todolist["name"],
+            "description": None,
             "todos": [
                 {
                     **raw,
@@ -66,6 +67,7 @@ async def test_create_redis_todolist(
         expected = {
             "id": todolist_id,
             "name": todolist["name"],
+            "description": None,
             "pk": todolist_id,
             "todos": [
                 {
@@ -103,6 +105,7 @@ async def test_create_mongo_todolist(
         expected = {
             "id": todolist_id,
             "name": todolist["name"],
+            "description": None,
             "todos": [
                 {
                     **raw,
diff --git a/nqlstore/_field.py b/nqlstore/_field.py
index 630ec9a..c980347 100644
--- a/nqlstore/_field.py
+++ b/nqlstore/_field.py
@@ -420,13 +420,13 @@ def get_field_definitions(
     fields = {}
     for field_name, field in schema.model_fields.items():  # type: str, FieldInfo
         class_field_definition = _get_class_field_definition(field)
-        if is_for_redis and class_field_definition.disable_on_redis:
+        if is_for_redis and getattr(class_field_definition, "disable_on_redis", False):
             continue
 
-        if is_for_mongo and class_field_definition.disable_on_mongo:
+        if is_for_mongo and getattr(class_field_definition, "disable_on_mongo", False):
             continue
 
-        if is_for_sql and class_field_definition.disable_on_sql:
+        if is_for_sql and getattr(class_field_definition, "disable_on_sql", False):
             continue
 
         field_type = field.annotation