diff --git a/docs/advanced.md b/docs/advanced.md
index c89d6500a..9ffc99438 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -367,7 +367,7 @@ Scenario('should create data via v2 version of API', (I) => {
 ```
 
 Config can also be set by a function, in this case you can get a test object and specify config values based on it.
-This is very useful when running tests against cloud providers, like BrowserStack.
+This is very useful when running tests against cloud providers, like BrowserStack. This function can also be asynchronous.
 
 ```js
 Scenario('should report to BrowserStack', (I) => {
diff --git a/lib/interfaces/scenarioConfig.js b/lib/interfaces/scenarioConfig.js
index 568ab7d6b..05cbf8cd7 100644
--- a/lib/interfaces/scenarioConfig.js
+++ b/lib/interfaces/scenarioConfig.js
@@ -58,13 +58,13 @@ class ScenarioConfig {
    * Configures a helper.
    * Helper name can be omitted and values will be applied to first helper.
    */
-  config(helper, obj) {
+  async config(helper, obj) {
     if (!obj) {
       obj = helper;
       helper = 0;
     }
     if (typeof obj === 'function') {
-      obj = obj(this.test);
+      obj = await obj(this.test);
     }
     if (!this.test.config) {
       this.test.config = {};
diff --git a/test/acceptance/config_test.js b/test/acceptance/config_test.js
index 38128868e..090671190 100644
--- a/test/acceptance/config_test.js
+++ b/test/acceptance/config_test.js
@@ -29,3 +29,11 @@ Scenario('change config 5 @WebDriverIO @Puppeteer @Protractor @Nightmare', (I) =
   I.dontSeeInCurrentUrl('github.com');
   I.seeInCurrentUrl('google.com');
 });
+
+Scenario('change config 6 @WebDriverIO @Puppeteer @Protractor @Nightmare', (I) => {
+  I.amOnPage('/');
+  I.seeInCurrentUrl('github.com');
+}).config(async (test) => {
+  await new Promise(r => setTimeout(r, 50));
+  return { url: 'https://github.com' };
+});