diff --git a/packages/npm-packages/ruby-wasm-wasi/src/index.ts b/packages/npm-packages/ruby-wasm-wasi/src/index.ts
index a05cb56260..0dbc4660fd 100644
--- a/packages/npm-packages/ruby-wasm-wasi/src/index.ts
+++ b/packages/npm-packages/ruby-wasm-wasi/src/index.ts
@@ -139,7 +139,7 @@ export class RubyVM {
           throw new Error("Function not implemented.");
         },
         reflectGet: function (target, propertyKey) {
-          return Reflect.get(target, propertyKey);
+          return target[propertyKey];
         },
         reflectGetOwnPropertyDescriptor: function (
           target,