diff --git a/internal/proxy.go b/internal/proxy.go
index 1d91869..d8ddd2f 100644
--- a/internal/proxy.go
+++ b/internal/proxy.go
@@ -76,6 +76,7 @@ func (proxyRoute ProxyRoute) ProxyHandler() http.HandlerFunc {
 			r.Header.Set("X-Forwarded-Host", r.Header.Get("Host"))
 			r.Header.Set("X-Forwarded-For", getRealIP(r))
 			r.Header.Set("X-Real-IP", getRealIP(r))
+			r.Host = targetURL.Host
 		}
 		backendURL, _ := url.Parse(proxyRoute.destination)
 		if len(proxyRoute.backends) > 0 {