1 files changed, 5 insertions, 0 deletions
diff --git a/runtime/js/99_main.js b/runtime/js/99_main.js
index fdd82862c..af5c1d40c 100644
--- a/runtime/js/99_main.js
+++ b/runtime/js/99_main.js
@@ -71,6 +71,11 @@ import {
   workerRuntimeGlobalProperties,
 } from "ext:runtime/98_global_scope.js";
 
+// deno-lint-ignore prefer-primordials
+Symbol.dispose ??= Symbol("Symbol.dispose");
+// deno-lint-ignore prefer-primordials
+Symbol.asyncDispose ??= Symbol("Symbol.asyncDispose");
+
 let windowIsClosing = false;
 let globalThis_;