diff --git a/client/src/lib/const.ts b/client/src/lib/const.ts
index fa28ab7..5840017 100644
--- a/client/src/lib/const.ts
+++ b/client/src/lib/const.ts
@@ -1,6 +1,8 @@
 export const BACKEND_URL =
   process.env.NEXT_PUBLIC_BACKEND_URL === "http://localhost:3001"
     ? "http://localhost:3001"
-    : `${process.env.NEXT_PUBLIC_BACKEND_URL}/api`;
+    : `${
+        process.env.NEXT_PUBLIC_BACKEND_URL || globalThis.location.origin
+      }/api`;
 export const IS_CLOUD = process.env.NEXT_PUBLIC_CLOUD === "true";
 export const IS_DEMO = process.env.NEXT_PUBLIC_DEMO === "true";