diff --git a/barretenberg/ts/src/barretenberg_wasm/fetch_code/browser/index.ts b/barretenberg/ts/src/barretenberg_wasm/fetch_code/browser/index.ts
index 38b3701f6d61..bf2f3cd4e3df 100644
--- a/barretenberg/ts/src/barretenberg_wasm/fetch_code/browser/index.ts
+++ b/barretenberg/ts/src/barretenberg_wasm/fetch_code/browser/index.ts
@@ -3,10 +3,15 @@ import pako from 'pako';
 // Annoyingly the wasm declares if it's memory is shared or not. So now we need two wasms if we want to be
 // able to fallback on "non shared memory" situations.
 export async function fetchCode(multithreaded: boolean, wasmPath?: string) {
-  const suffix = multithreaded ? '-threads' : '';
-  const url = wasmPath
-    ? `${wasmPath}/barretenberg${suffix}.wasm.gz`
-    : (await import(/* webpackIgnore: true */ `./barretenberg${suffix}.js`)).default;
+  let url: string;
+  if (wasmPath) {
+    const suffix = multithreaded ? '-threads' : '';
+    url = `${wasmPath}/barretenberg${suffix}.wasm.gz`;
+  } else {
+    url = multithreaded
+      ? (await import(/* webpackIgnore: true */ './barretenberg-threads.js')).default
+      : (await import(/* webpackIgnore: true */ './barretenberg.js')).default;
+  }
   const res = await fetch(url);
   const maybeCompressedData = await res.arrayBuffer();
   const buffer = new Uint8Array(maybeCompressedData);
@@ -22,4 +27,4 @@ export async function fetchCode(multithreaded: boolean, wasmPath?: string) {
   } else {
     return buffer;
   }
-}
+}
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