diff --git a/test/fixtures/hideconstructortag.js b/test/fixtures/hideconstructortag.js
index 421e3b00..73f672e9 100644
--- a/test/fixtures/hideconstructortag.js
+++ b/test/fixtures/hideconstructortag.js
@@ -49,8 +49,8 @@ class WaffleIron {
      * @hideconstructor
      */
     constructor() {
-        if (#instance) {
-            return #instance;
+        if (this.#instance) {
+            return this.#instance;
         }
 
         /**