diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcbea7c4c4..4caa160b84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -105,6 +105,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 -  Fix [#2461](https://github.com/Microsoft/BotFramework-WebChat/issues/2461), added `isomorphic-react` and `isomorphic-react-dom` packages, by [@compulim](https://github.com/compulim) and [@corinagum](https://github.com/corinagum), in PR [#2478](https://github.com/microsoft/BotFramework-WebChat/pull/2478) and PR [#2486](https://github.com/microsoft/BotFramework-WebChat/pull/2486)
 -  Added missing Norwegian (nb-NO) translations, by [@taarskog](https://github.com/taarskog)
 -  Added missing Italian (it-IT) translations, by [@AntoT84](https://github.com/AntoT84)
+-  Fixed [#2481](https://github.com/microsoft/BotFramework-WebChat/issues/2481). Support alternative audio input source by adding `audioConfig` prop to `createCognitiveServicesSpeechServicesPonyfillFactory`, by [@corinagum](https://github.com/corinagum), in PR [#2491](https://github.com/microsoft/BotFramework-WebChat/pull/2491)
 
 ### Samples
 
diff --git a/packages/bundle/src/createCognitiveServicesSpeechServicesPonyfillFactory.js b/packages/bundle/src/createCognitiveServicesSpeechServicesPonyfillFactory.js
index 29d54de921..3820d3343e 100644
--- a/packages/bundle/src/createCognitiveServicesSpeechServicesPonyfillFactory.js
+++ b/packages/bundle/src/createCognitiveServicesSpeechServicesPonyfillFactory.js
@@ -1,6 +1,7 @@
 import createPonyfill from 'web-speech-cognitive-services/lib/SpeechServices';
 
 export default function createCognitiveServicesSpeechServicesPonyfillFactory({
+  audioConfig,
   authorizationToken,
   enableTelemetry,
   region,
@@ -16,6 +17,7 @@ export default function createCognitiveServicesSpeechServicesPonyfillFactory({
 
   return ({ referenceGrammarID }) => {
     const ponyfill = createPonyfill({
+      audioConfig,
       authorizationToken,
       enableTelemetry,
       referenceGrammars: [`luis/${referenceGrammarID}-PRODUCTION`],