diff --git a/src/MediaDeviceHandler.ts b/src/MediaDeviceHandler.ts
index 073f24523d..154f167745 100644
--- a/src/MediaDeviceHandler.ts
+++ b/src/MediaDeviceHandler.ts
@@ -17,8 +17,8 @@ limitations under the License.
 
 import SettingsStore from "./settings/SettingsStore";
 import { SettingLevel } from "./settings/SettingLevel";
-import { setMatrixCallAudioInput, setMatrixCallVideoInput } from "matrix-js-sdk/src/matrix";
 import EventEmitter from 'events';
+import { MatrixClientPeg } from "./MatrixClientPeg";
 
 // XXX: MediaDeviceKind is a union type, so we make our own enum
 export enum MediaDeviceKindEnum {
@@ -74,8 +74,8 @@ export default class MediaDeviceHandler extends EventEmitter {
         const audioDeviceId = SettingsStore.getValue("webrtc_audioinput");
         const videoDeviceId = SettingsStore.getValue("webrtc_videoinput");
 
-        setMatrixCallAudioInput(audioDeviceId);
-        setMatrixCallVideoInput(videoDeviceId);
+        MatrixClientPeg.get().getMediaHandler().setAudioInput(audioDeviceId);
+        MatrixClientPeg.get().getMediaHandler().setVideoInput(videoDeviceId);
     }
 
     public setAudioOutput(deviceId: string): void {
@@ -90,7 +90,7 @@ export default class MediaDeviceHandler extends EventEmitter {
      */
     public setAudioInput(deviceId: string): void {
         SettingsStore.setValue("webrtc_audioinput", null, SettingLevel.DEVICE, deviceId);
-        setMatrixCallAudioInput(deviceId);
+        MatrixClientPeg.get().getMediaHandler().setAudioInput(deviceId);
     }
 
     /**
@@ -100,7 +100,7 @@ export default class MediaDeviceHandler extends EventEmitter {
      */
     public setVideoInput(deviceId: string): void {
         SettingsStore.setValue("webrtc_videoinput", null, SettingLevel.DEVICE, deviceId);
-        setMatrixCallVideoInput(deviceId);
+        MatrixClientPeg.get().getMediaHandler().setVideoInput(deviceId);
     }
 
     public setDevice(deviceId: string, kind: MediaDeviceKindEnum): void {