diff --git a/frontend/app/common/constants.config.ts b/frontend/app/common/constants.config.ts
index 2da61903..01bddacf 100644
--- a/frontend/app/common/constants.config.ts
+++ b/frontend/app/common/constants.config.ts
@@ -1,4 +1,4 @@
-export const BASE_URL = window.remark_config.host;
+export const BASE_URL = window.remark_config.host || process.env.REMARK_URL!;
 export const NODE_ID = process.env.REMARK_NODE!;
 export const API_BASE = '/api/v1';
 export const COMMENT_NODE_CLASSNAME_PREFIX = 'remark42__comment-';