diff --git a/packages/api/src/submittable/createSubmittable.ts b/packages/api/src/submittable/createSubmittable.ts
index 9da797da9b..1b9cba6ad5 100644
--- a/packages/api/src/submittable/createSubmittable.ts
+++ b/packages/api/src/submittable/createSubmittable.ts
@@ -12,6 +12,8 @@ import createClass from './createClass';
 type Creator<ApiType extends ApiTypes> = (extrinsic: Call | Uint8Array | string) => SubmittableExtrinsic<ApiType>;
 
 export default function createSubmittable<ApiType extends ApiTypes> (apiType: ApiTypes, api: ApiInterfaceRx, decorateMethod: ApiBase<ApiType>['_decorateMethod']): Creator<ApiType> {
+  const Submittable = createClass<ApiType>({ api, apiType, decorateMethod });
+
   return (extrinsic: Call | Extrinsic | Uint8Array | string): SubmittableExtrinsic<ApiType> =>
-    new (createClass<ApiType>({ api, apiType, decorateMethod }))(api.registry, extrinsic);
+    new Submittable(api.registry, extrinsic);
 }