diff --git a/client-side-js/_getAggregation.js b/client-side-js/_getAggregation.js
index 0aad8f80..1cdb079f 100644
--- a/client-side-js/_getAggregation.js
+++ b/client-side-js/_getAggregation.js
@@ -1,5 +1,5 @@
 async function clientSide_getAggregation(webElement, aggregationName) {
-    webElement = await Promise.resolve(webElement)
+    webElement = await Promise.resolve(webElement) // to plug into fluent async api
     return await browser.executeAsync(
         (webElement, aggregationName, done) => {
             window.bridge.waitForUI5(window.wdi5.waitForUI5Options).then(() => {
diff --git a/client-side-js/getControl.js b/client-side-js/getControl.js
index 0162ee92..e973fad3 100644
--- a/client-side-js/getControl.js
+++ b/client-side-js/getControl.js
@@ -1,4 +1,5 @@
 async function clientSide_getControl(controlSelector) {
+    controlSelector = await Promise.resolve(controlSelector) // to plug into fluent async api
     return await browser.executeAsync((controlSelector, done) => {
         const waitForUI5Options = Object.assign({}, window.wdi5.waitForUI5Options)
         if (controlSelector.timeout) {