diff --git a/esm.js b/esm.js
index a005659a7..9eb99fd69 100644
--- a/esm.js
+++ b/esm.js
@@ -264,6 +264,7 @@ if (cachePath !== "") {
         __proto__: null,
         esm: {
           changed: false,
+          circular: 0,
           code: null,
           filename: null,
           firstAwaitOutsideFunction: null,