diff --git a/api_deploy/processors/templates/typescript.object.jinja2 b/api_deploy/processors/templates/typescript.object.jinja2
index f31cd0f..deae8a8 100644
--- a/api_deploy/processors/templates/typescript.object.jinja2
+++ b/api_deploy/processors/templates/typescript.object.jinja2
@@ -1,3 +1,4 @@
+{%- if model.properties -%}
 {
 {%- for property in model.properties %}
   /**
@@ -35,3 +36,6 @@
 
 {%- endfor %}
 }
+{%- else -%}
+Record<string, unknown>
+{%- endif -%}
diff --git a/tests/openapi/one_of_source.yml b/tests/openapi/one_of_source.yml
index 76ce833..c10a815 100644
--- a/tests/openapi/one_of_source.yml
+++ b/tests/openapi/one_of_source.yml
@@ -70,6 +70,11 @@ components:
             - UserCreated
             - ProjectCreated
 
+    MessageList:
+      type: array
+      items:
+        type: object
+        additionalProperties: true
 
     UserCreated:
       allOf:
@@ -98,6 +103,7 @@ components:
                   type: string
                   format: datetime
 
+
   responses:
     CreateMessage:
       description: Message
@@ -107,6 +113,7 @@ components:
             oneOf:
               - $ref: '#/components/schemas/UserCreated'
               - $ref: '#/components/schemas/ProjectCreated'
+              - $ref: '#/components/schemas/MessageList'
 
 x-amazon-apigateway-request-validators:
   all:
diff --git a/tests/openapi/one_of_target.yml b/tests/openapi/one_of_target.yml
index 0f44450..2aeb8e7 100644
--- a/tests/openapi/one_of_target.yml
+++ b/tests/openapi/one_of_target.yml
@@ -41,6 +41,7 @@ paths:
                 oneOf:
                   - $ref: '#/components/schemas/UserCreated'
                   - $ref: '#/components/schemas/ProjectCreated'
+                  - $ref: '#/components/schemas/MessageList'
           headers:
             Access-Control-Allow-Origin:
               schema:
@@ -390,6 +391,11 @@ components:
        - message
        - parameters
 
+    MessageList:
+      items:
+        additionalProperties: true
+        type: object
+      type: array
     ProjectCreated:
       type: object
       additionalProperties: false