diff --git a/src/ocean/Assets.ts b/src/ocean/Assets.ts
index ae93ee75..a027c6b1 100644
--- a/src/ocean/Assets.ts
+++ b/src/ocean/Assets.ts
@@ -68,7 +68,7 @@ export class Assets extends Instantiable {
         dtAddress?: string
     ): SubscribablePromise<CreateProgressStep, DDO> {
         this.logger.log('Creating asset')
-        return new SubscribablePromise(async observer => {
+        return new SubscribablePromise(async (observer) => {
             if (services.length === 0) {
                 this.logger.log('You have no services. Are you sure about this?')
             }
@@ -147,7 +147,7 @@ export class Assets extends Instantiable {
                     )
                     .reverse()
                     // Adding index
-                    .map(_ => ({
+                    .map((_) => ({
                         ..._,
                         index: indexCount++
                     })) as Service[]