diff --git a/proxy/http_proxy.go b/proxy/http_proxy.go
index b531373af..a4415d573 100644
--- a/proxy/http_proxy.go
+++ b/proxy/http_proxy.go
@@ -99,7 +99,7 @@ func (p *HTTPProxy) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		RawQuery: r.URL.RawQuery,
 	}
 
-	if t.RedirectCode != 0 {
+	if t.RedirectCode != 0 && t.RedirectURL != nil {
 		http.Redirect(w, r, t.RedirectURL.String(), t.RedirectCode)
 		if t.Timer != nil {
 			t.Timer.Update(0)