diff --git a/httpx/header_request.go b/httpx/header_request.go
index efd2183..3db5ed2 100644
--- a/httpx/header_request.go
+++ b/httpx/header_request.go
@@ -28,6 +28,10 @@ func (h *RequestHeader) SetMethod(method string) {
 	h.hdr.SetMethod(method)
 }
 
+func (h *RequestHeader) SetHost(host string) {
+	h.hdr.SetHost(host)
+}
+
 func (h *RequestHeader) RequestURI() []byte { return h.hdr.RequestURI() }
 
 func (h *RequestHeader) SetRequestURI(uri string) {
diff --git a/httpx/header_test.go b/httpx/header_test.go
index 00f2997..901fa29 100644
--- a/httpx/header_test.go
+++ b/httpx/header_test.go
@@ -181,7 +181,21 @@ func TestRequestDisableSpecialHeaders(t *testing.T) {
 func TestRequest(t *testing.T) {
 	var req RequestHeader
 	req.SetRequestURI("http://example.com")
-
-	var b bytes.Buffer
-	b.Write(req.Header())
+	req.SetHost("example.com")
+	req.SetMethod("PUT")
+	req.SetUserAgent("test")
+	req.SetContentType("text/plain")
+	// req.SetProtocol("HTTP/2.1")
+	result := string(req.Header())
+	b := bufio.NewReader(strings.NewReader(result))
+
+	var loop RequestHeader
+	err := loop.Read(b)
+	if err != nil {
+		t.Errorf("unexpected error: %v", err)
+	}
+	resultLoopback := string(loop.Header())
+	if result != resultLoopback {
+		t.Errorf("loopback mismatch: %q got %q", result, resultLoopback)
+	}
 }