diff --git a/types/swagger-schema-official/index.d.ts b/types/swagger-schema-official/index.d.ts
index 09d31cc8e7..11cfd05520 100644
--- a/types/swagger-schema-official/index.d.ts
+++ b/types/swagger-schema-official/index.d.ts
@@ -47,24 +47,29 @@ export interface BaseParameter {
 }
 
 export interface BodyParameter extends BaseParameter {
+  in: 'body';
   schema?: Schema;
 }
 
 export interface QueryParameter extends BaseParameter, BaseSchema {
+  in: 'query';
   type: string;
   allowEmptyValue?: boolean;
 }
 
 export interface PathParameter extends BaseParameter, BaseSchema {
+  in: 'path';
   type: string;
   required: boolean;
 }
 
 export interface HeaderParameter extends BaseParameter, BaseSchema {
+  in: 'header';
   type: string;
 }
 
 export interface FormDataParameter extends BaseParameter, BaseSchema {
+  in: 'formData';
   type: string;
   collectionFormat?: string;
   allowEmptyValue?: boolean;
diff --git a/types/swagger-schema-official/swagger-schema-official-tests.ts b/types/swagger-schema-official/swagger-schema-official-tests.ts
index 4fb3e55f07..4d46e4aa86 100644
--- a/types/swagger-schema-official/swagger-schema-official-tests.ts
+++ b/types/swagger-schema-official/swagger-schema-official-tests.ts
@@ -1373,7 +1373,6 @@ const reference_support: swagger.Spec = {
                     {
                         "in": "body",
                         "name": "bodyParameter",
-                        "type": "string",
                         "description": "The body parameter"
                     }
                 ],