diff --git a/testing/web-platform/tests/wasm/jsapi/exception/getArg.tentative.any.js b/testing/web-platform/tests/wasm/jsapi/exception/getArg.tentative.any.js
index ecd2fbd42fd18..4b72c61f47b7e 100644
--- a/testing/web-platform/tests/wasm/jsapi/exception/getArg.tentative.any.js
+++ b/testing/web-platform/tests/wasm/jsapi/exception/getArg.tentative.any.js
@@ -20,7 +20,7 @@ test(() => {
 test(() => {
   const tag = new WebAssembly.Tag({ parameters: [] });
   const exn = new WebAssembly.Exception(tag, []);
-  assert_throws_js(TypeError, () => exn.getArg(tag, 1));
+  assert_throws_js(RangeError, () => exn.getArg(tag, 1));
 }, "Index out of bounds");
 
 test(() => {