diff --git a/packages/taler-util/package.json b/packages/taler-util/package.json
index 21bee4683..eaf3cca5b 100644
--- a/packages/taler-util/package.json
+++ b/packages/taler-util/package.json
@@ -36,7 +36,8 @@
   },
   "imports": {
     "#twrpc-impl": {
-      "node": "./lib/twrpc-impl.node.js"
+      "node": "./lib/twrpc-impl.node.js",
+      "qtart": "./lib/twrpc-impl.qtart.js"
     },
     "#compat-impl": {
       "node": "./lib/compat.node.js",
diff --git a/packages/taler-util/src/http-impl.node.ts b/packages/taler-util/src/http-impl.node.ts
index 5f2b3ac8a..da7a759aa 100644
--- a/packages/taler-util/src/http-impl.node.ts
+++ b/packages/taler-util/src/http-impl.node.ts
@@ -97,7 +97,7 @@ export class HttpLibImpl implements HttpRequestLibrary {
     const options: RequestOptions = {
       protocol: parsedUrl.protocol,
       port: parsedUrl.port,
-      host: parsedUrl.host,
+      host: parsedUrl.hostname,
       method: method,
       path: parsedUrl.pathname,
       headers: opt?.headers,
@@ -148,7 +148,7 @@ export class HttpLibImpl implements HttpRequestLibrary {
       });
 
       if (reqBody) {
-        req.write(reqBody);
+        req.write(new Uint8Array(reqBody));
       }
       req.end();
     });