rc/fcgi.example.cfg/fcgi.go | 2 +-

diff --git a/rc/fcgi.example.cfg/fcgi.go b/rc/fcgi.example.cfg/fcgi.go
index 8e5ef3f920ccfe82b0f314c76940e32aaa4b4503e09cb11459a29ad371003ca8..fe67d7c298c359ecfca46b81059d1f7777556b91a3037195f394207853945d0b 100644
--- a/rc/fcgi.example.cfg/fcgi.go
+++ b/rc/fcgi.example.cfg/fcgi.go
@@ -50,7 +50,7 @@ 	for k, vs := range r.Header {
 		if len(vs) < 1 {
 			continue
 		}
-		k = "HTTP_" + strings.ToUpper(strings.Replace(k, "-", "_", -1))
+		k = "HTTP_" + strings.ToUpper(strings.ReplaceAll(k, "-", "_"))
 		params[k] = strings.Join(vs, ";")
 	}
 	c, err := fcgiclient.Dial(sockProto, sockPath)