diff --git a/lib/loader/index.js b/lib/loader/index.js
index b82d26bf..245aebf2 100644
--- a/lib/loader/index.js
+++ b/lib/loader/index.js
@@ -188,7 +188,7 @@ exports.instantiateBuffer = instantiateBuffer;
 async function instantiateStreaming(response, imports) {
   return postInstantiate(
     preInstantiate(imports || (imports = {})),
-    await WebAssembly.instantiateStreaming(response, imports)
+    (await WebAssembly.instantiateStreaming(response, imports)).instance
   );
 }