diff --git a/packages/lib/constants.ts b/packages/lib/constants.ts
index d99fe6d99..98098925a 100644
--- a/packages/lib/constants.ts
+++ b/packages/lib/constants.ts
@@ -1,3 +1,3 @@
-export const NEXT_PUBLIC_WEBAPP_URL = process.env.IS_PULL_REQUEST
+export const NEXT_PUBLIC_WEBAPP_URL = process.env.IS_PULL_REQUEST === "true"
   ? process.env.RENDER_EXTERNAL_URL
   : process.env.NEXT_PUBLIC_WEBAPP_URL;