diff --git a/openvidu-testapp/src/app/components/dialogs/session-api-dialog/session-api-dialog.component.ts b/openvidu-testapp/src/app/components/dialogs/session-api-dialog/session-api-dialog.component.ts
index c53dc2e2..36b8c44e 100644
--- a/openvidu-testapp/src/app/components/dialogs/session-api-dialog/session-api-dialog.component.ts
+++ b/openvidu-testapp/src/app/components/dialogs/session-api-dialog/session-api-dialog.component.ts
@@ -36,6 +36,9 @@ export class SessionApiDialogComponent {
         this.session = data.session;
         this.sessionId = data.sessionId;
         this.recordingProperties = data.recordingProperties;
+        if (!this.recordingProperties.mediaNode) {
+            this.recordingProperties.mediaNode = { id: '' };
+        }
     }
 
     closeSession() {