diff --git a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/config/openvidu-angular.config.service.ts b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/config/openvidu-angular.config.service.ts
index bbeadc5a..2b2e3ae6 100644
--- a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/config/openvidu-angular.config.service.ts
+++ b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/config/openvidu-angular.config.service.ts
@@ -19,10 +19,10 @@ export class OpenViduAngularConfigService {
 	prejoin = <BehaviorSubject<boolean>>new BehaviorSubject(true);
 	prejoinObs: Observable<boolean>;
 
-	videoMuted = <BehaviorSubject<boolean>>new BehaviorSubject(false);
-	videoMutedObs: Observable<boolean>;
-	audioMuted = <BehaviorSubject<boolean>>new BehaviorSubject(false);
-	audioMutedObs: Observable<boolean>;
+	videoMuted = <BehaviorSubject<boolean | undefined>>new BehaviorSubject(undefined);
+	videoMutedObs: Observable<boolean | undefined>;
+	audioMuted = <BehaviorSubject<boolean | undefined>>new BehaviorSubject(undefined);
+	audioMutedObs: Observable<boolean | undefined>;
 	screenshareButton = <BehaviorSubject<boolean>>new BehaviorSubject(true);
 	screenshareButtonObs: Observable<boolean>;
 
diff --git a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/device/device.service.ts b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/device/device.service.ts
index 641906be..f5ed7ac7 100644
--- a/openvidu-components-angular/projects/openvidu-angular/src/lib/services/device/device.service.ts
+++ b/openvidu-components-angular/projects/openvidu-angular/src/lib/services/device/device.service.ts
@@ -71,8 +71,14 @@ export class DeviceService {
 				this.updateAudioDeviceSelected();
 				this.updateVideoDeviceSelected();
 
-				this._isVideoMuted = this.storageSrv.isVideoMuted() || this.libSrv.videoMuted.getValue();
-				this._isAudioMuted = this.storageSrv.isAudioMuted() || this.libSrv.audioMuted.getValue();
+				this._isVideoMuted =
+					this.libSrv.videoMuted.getValue() === undefined
+						? this.storageSrv.isVideoMuted()
+						: Boolean(this.libSrv.videoMuted.getValue());
+				this._isAudioMuted =
+					this.libSrv.audioMuted.getValue() === undefined
+						? this.storageSrv.isAudioMuted()
+						: Boolean(this.libSrv.audioMuted.getValue());
 
 				this.log.d('Media devices', this.cameras, this.microphones);
 			}