diff --git a/cmd/httpx/httpx.go b/cmd/httpx/httpx.go
index bb96c6f..e1a418b 100644
--- a/cmd/httpx/httpx.go
+++ b/cmd/httpx/httpx.go
@@ -34,6 +34,7 @@ func main() {
 	httpxOptions.FollowHostRedirects = options.FollowHostRedirects
 	httpxOptions.HttpProxy = options.HttpProxy
 
+	var key, value string
 	httpxOptions.CustomHeaders = make(map[string]string)
 	for _, customHeader := range options.CustomHeaders {
 		tokens := strings.Split(customHeader, ":")
@@ -41,8 +42,10 @@ func main() {
 		if len(tokens) < 2 {
 			continue
 		}
+		key = strings.TrimSpace(tokens[0])
+		value = strings.TrimSpace(tokens[1])
 
-		httpxOptions.CustomHeaders[tokens[0]] = tokens[1]
+		httpxOptions.CustomHeaders[key] = value
 	}
 
 	hp, err := httpx.New(&httpxOptions)
diff --git a/common/httpx/httpx.go b/common/httpx/httpx.go
index 1304d94..dfb150e 100644
--- a/common/httpx/httpx.go
+++ b/common/httpx/httpx.go
@@ -92,14 +92,12 @@ func New(options *Options) (*HTTPX, error) {
 
 // Do http request
 func (h *HTTPX) Do(req *retryablehttp.Request) (*Response, error) {
-	var (
-		resp Response
-	)
 	httpresp, err := h.client.Do(req)
 	if err != nil {
 		return nil, err
 	}
 
+	var resp Response
 	resp.Headers = httpresp.Header.Clone()
 
 	// httputil.DumpResponse does not handle websockets
@@ -181,5 +179,9 @@ func (h *HTTPX) NewRequest(method, URL string) (req *retryablehttp.Request, err
 func (h *HTTPX) SetCustomHeaders(r *retryablehttp.Request, headers map[string]string) {
 	for name, value := range headers {
 		r.Header.Set(name, value)
+		// host header is particular
+		if strings.ToLower(name) == "host" {
+			r.Host = value
+		}
 	}
 }