diff --git a/datamodel_code_generator/parser/jsonschema.py b/datamodel_code_generator/parser/jsonschema.py
index ca1b6f179..9c0943f14 100644
--- a/datamodel_code_generator/parser/jsonschema.py
+++ b/datamodel_code_generator/parser/jsonschema.py
@@ -281,7 +281,8 @@ def parse_object_fields(self, obj: JsonSchemaObject) -> List[DataModelFieldBase]
         fields: List[DataModelFieldBase] = []
 
         for field_name, field in properties.items():
-            is_list = False
+            is_list: bool = False
+            is_union: bool = False
             field_types: List[DataType]
             field_name, alias = get_valid_field_name_and_alias(field_name)
             if field.ref:
@@ -299,6 +300,7 @@ def parse_object_fields(self, obj: JsonSchemaObject) -> List[DataModelFieldBase]
                 )
                 field_types = array_fields[0].data_types
                 is_list = True
+                is_union = True
             elif field.anyOf:
                 field_types = self.parse_any_of(field_name, field)
             elif field.allOf:
@@ -341,6 +343,7 @@ def parse_object_fields(self, obj: JsonSchemaObject) -> List[DataModelFieldBase]
                     data_types=field_types,
                     required=required,
                     is_list=is_list,
+                    is_union=is_union,
                     alias=alias,
                 )
             )
diff --git a/tests/data/openapi/nested_anyof.yaml b/tests/data/openapi/nested_anyof.yaml
new file mode 100644
index 000000000..871435e4d
--- /dev/null
+++ b/tests/data/openapi/nested_anyof.yaml
@@ -0,0 +1,27 @@
+openapi: 3.0.0
+info:
+  title: datamodel-code-generator bug example
+components:
+  schemas:
+    Container:
+      allOf:
+        - type: object
+          required:
+            - contents
+          properties:
+            contents:
+              type: array
+              items:
+                anyOf:
+                  - $ref: '#/components/schemas/Type1'
+                  - $ref: '#/components/schemas/Type2'
+    Type1:
+      type: object
+      properties:
+        prop:
+          type: string
+    Type2:
+      type: object
+      properties:
+        prop:
+          type: string
\ No newline at end of file
diff --git a/tests/parser/test_openapi.py b/tests/parser/test_openapi.py
index 89c5eae8b..0350877c2 100644
--- a/tests/parser/test_openapi.py
+++ b/tests/parser/test_openapi.py
@@ -845,6 +845,35 @@ class Error(BaseModel):
     )
 
 
+def test_openapi_parser_parse_nested_anyof():
+    parser = OpenAPIParser(
+        BaseModel,
+        CustomRootType,
+        text=Path(DATA_PATH / 'nested_anyof.yaml').read_text(),
+    )
+    assert (
+        parser.parse()
+        == '''from __future__ import annotations
+
+from typing import List, Optional, Union
+
+from pydantic import BaseModel
+
+
+class Type1(BaseModel):
+    prop: Optional[str] = None
+
+
+class Type2(BaseModel):
+    prop: Optional[str] = None
+
+
+class Container(BaseModel):
+    contents: List[Union[Type1, Type2]]
+'''
+    )
+
+
 def test_openapi_parser_parse_allof():
     parser = OpenAPIParser(
         BaseModel, CustomRootType, text=Path(DATA_PATH / 'allof.yaml').read_text()