diff --git a/apps/blogai/lib/types.ts b/apps/blogai/lib/types.ts
index bcd40d8..75a5fe4 100644
--- a/apps/blogai/lib/types.ts
+++ b/apps/blogai/lib/types.ts
@@ -53,3 +53,9 @@ export type ChainData = {
     icon?: string
   }[]
 }
+
+declare global {
+  interface Window {
+    RUNTIME_ENV?: Record<string, string>;
+  }
+}
\ No newline at end of file