diff --git a/src/typings/env.d.ts b/src/typings/env.d.ts
index 8000a7e0..a426988d 100644
--- a/src/typings/env.d.ts
+++ b/src/typings/env.d.ts
@@ -103,6 +103,8 @@ declare namespace Env {
     readonly VITE_ICONIFY_URL?: string;
     /** Used to differentiate storage across different domains */
     readonly VITE_STORAGE_PREFIX?: string;
+    /** Whether to build with ElegantVueRouter */
+    readonly VITE_ELEGANT_ROUTER?: CommonType.YesOrNo;
   }
 }