diff --git a/lib/js-api/src/utils/is-browser.ts b/lib/js-api/src/utils/is-browser.ts
index f16f87e949..a66f24e514 100644
--- a/lib/js-api/src/utils/is-browser.ts
+++ b/lib/js-api/src/utils/is-browser.ts
@@ -15,4 +15,5 @@
  * limitations under the License.
  */
 
-export const isBrowser = (): boolean => typeof window?.document !== 'undefined';
+// eslint-disable-next-line @typescript-eslint/prefer-optional-chain
+export const isBrowser = (): boolean => typeof window !== 'undefined' && typeof window.document !== 'undefined';